修复 PyQt 0xC0000409 崩溃：修复 window 属性命名冲突、全局异常钩子、可视化面板健壮重构

src/core/water_quality_inversion_pipeline_GUI.py

@@ -2105,7 +2105,7 @@ class WaterQualityInversionPipeline:
                                                training_spectra_path: Optional[str] = None,
                                                formula_csv_file: Optional[str] = None,
                                                formula_names: Optional[List[str]] = None,
-                                               output_filename: str = "water_quality_indices.csv",
+                                               output_file: Optional[str] = None,
                                                enabled: bool = True,
                                                skip_dependency_check: bool = False) -> str:
         """
@@ -2117,7 +2117,7 @@ class WaterQualityInversionPipeline:
             training_spectra_path: 训练光谱数据CSV路径（如果为None，使用步骤5的结果）
             formula_csv_file: 公式CSV文件路径，包含公式名称和具体公式
             formula_names: 要计算的公式名称列表，如果为None则计算所有公式
-            output_filename: 输出文件名
+            output_file: 输出文件完整路径（支持绝对路径），如果为None则使用默认路径
             
         Returns:
             包含计算结果的新CSV文件路径
@@ -2149,7 +2149,11 @@ class WaterQualityInversionPipeline:
             if formula_csv_file is None:
                 raise ValueError("必须提供formula_csv_file参数，包含水质指数公式")
 
-            output_path = str(self.indices_dir / output_filename)
+            # 支持绝对路径：output_file 完整路径；否则 fallback 到 indices_dir + 默认文件名
+            if output_file:
+                output_path = str(Path(output_file))
+            else:
+                output_path = str(self.indices_dir / "water_quality_indices.csv")
 
             # 如果文件已存在且配置了跳过机制，则直接复用
             if Path(output_path).exists():

src/gui/components/custom_widgets.py

@@ -12,6 +12,67 @@ from PyQt5.QtWidgets import (
 from PyQt5.QtCore import Qt
 
 
+class DirSelectWidget(QWidget):
+    """目录选择组件"""
+    def __init__(self, label_text, parent=None):
+        """
+        初始化目录选择组件
+
+        Args:
+            label_text: 标签文本
+            parent: 父控件
+        """
+        super().__init__(parent)
+        self.init_ui(label_text)
+
+    def init_ui(self, label_text):
+        layout = QHBoxLayout()
+        layout.setContentsMargins(0, 0, 0, 0)
+
+        self.label = QLabel(label_text)
+        self.label.setMinimumWidth(120)
+        self.line_edit = QLineEdit()
+        self.line_edit.setPlaceholderText("请选择目录...")
+        self.browse_btn = QPushButton("浏览...")
+        self.browse_btn.setMaximumWidth(80)
+        self.browse_btn.clicked.connect(self.browse_dir)
+
+        layout.addWidget(self.label)
+        layout.addWidget(self.line_edit, 1)
+        layout.addWidget(self.browse_btn)
+
+        self.setLayout(layout)
+
+    def browse_dir(self):
+        """浏览目录 - 智能记忆上次选择位置"""
+        current_text = self.line_edit.text().strip()
+        initial_dir = ""
+
+        # 最高优先级：输入框已有路径存在
+        if current_text:
+            if os.path.isdir(current_text):
+                initial_dir = current_text
+            else:
+                dir_path = os.path.dirname(current_text)
+                if dir_path and os.path.exists(dir_path):
+                    initial_dir = dir_path
+
+        # 调用目录选择对话框
+        dir_path = QFileDialog.getExistingDirectory(
+            self, "选择目录", initial_dir
+        )
+        if dir_path:
+            self.line_edit.setText(dir_path)
+
+    def get_path(self):
+        """获取路径"""
+        return self.line_edit.text()
+
+    def set_path(self, path):
+        """设置路径"""
+        self.line_edit.setText(str(path))
+
+
 class FileSelectWidget(QWidget):
     """文件选择组件"""
     def __init__(self, label_text, file_filter="All Files (*.*)", mode="open", parent=None):
@@ -49,11 +110,15 @@ class FileSelectWidget(QWidget):
         self.setLayout(layout)
 
     def browse_file(self):
-        """浏览文件"""
+        """浏览文件 - 智能记忆上次选择位置"""
         current_text = self.line_edit.text().strip()
         initial_dir = ""
 
+        # 最高优先级：输入框已有路径存在
         if current_text:
+            if os.path.isdir(current_text):
+                initial_dir = current_text
+            else:
                 dir_path = os.path.dirname(current_text)
                 if dir_path and os.path.exists(dir_path):
                     initial_dir = dir_path

src/gui/panels/step2_panel.py

@@ -179,6 +179,9 @@ class Step2Panel(QWidget):
 
         # 填充获取到的路径
         if mask_path:
+            # 若为相对路径，使用 work_dir 合成为绝对路径
+            if not os.path.isabs(mask_path):
+                mask_path = os.path.join(self.work_dir or '', mask_path).replace('\\', '/')
             self.water_mask_file.set_path(mask_path)
 
         # 3. 自动填充输出路径（基于工作目录）

src/gui/panels/step3_panel.py

@@ -294,6 +294,9 @@ class Step3Panel(QWidget):
                 mask_path = main_window.step1_panel.mask_file.get_path()
 
             if mask_path:
+                # 若为相对路径，使用 work_dir 合成为绝对路径
+                if not os.path.isabs(mask_path):
+                    mask_path = os.path.join(self.work_dir or '', mask_path).replace('\\', '/')
                 self.water_mask_file.set_path(mask_path)
 
         # 自动填充输出路径（基于工作目录）

src/gui/panels/step5_5_panel.py

@@ -85,11 +85,10 @@ class Step5_5Panel(QWidget):
         output_group = QGroupBox("输出设置")
         output_layout = QVBoxLayout()
 
-        output_hbox = QHBoxLayout()
-        output_hbox.addWidget(QLabel("输出文件名:"))
-        self.output_filename = QLineEdit("water_quality_indices.csv")
-        output_hbox.addWidget(self.output_filename)
-        output_layout.addLayout(output_hbox)
+        self.output_file_widget = FileSelectWidget(
+            "输出文件:", "CSV Files (*.csv)", mode="save"
+        )
+        output_layout.addWidget(self.output_file_widget)
 
         output_group.setLayout(output_layout)
         main_layout.addWidget(output_group)
@@ -258,11 +257,12 @@ class Step5_5Panel(QWidget):
             name for name, checkbox in self.index_checkboxes.items()
             if checkbox.isChecked()
         ]
+        output_path = self.output_file_widget.get_path()
         return {
             'training_spectra_path': self.training_data_widget.get_path() or None,
             'formula_csv_file': self.formula_csv_widget.get_path() or None,
             'formula_names': selected,
-            'output_filename': self.output_filename.text().strip() or "water_quality_indices.csv",
+            'output_file': output_path or None,
             'enabled': self.enable_checkbox.isChecked()
         }
 
@@ -273,7 +273,6 @@ class Step5_5Panel(QWidget):
 
         if 'formula_csv_file' in config:
             self.formula_csv_widget.set_path(config['formula_csv_file'])
-            # 设置CSV路径后自动刷新公式信息
             self.refresh_formulas()
 
         if 'formula_names' in config:
@@ -281,8 +280,10 @@ class Step5_5Panel(QWidget):
             for name, checkbox in self.index_checkboxes.items():
                 checkbox.setChecked(name in selected_formulas)
 
-        if 'output_filename' in config:
-            self.output_filename.setText(config['output_filename'])
+        if 'output_file' in config and config['output_file']:
+            self.output_file_widget.set_path(config['output_file'])
+        elif 'output_filename' in config and config['output_filename']:
+            self.output_file_widget.set_path(config['output_filename'])
 
         if 'enabled' in config:
             self.enable_checkbox.setChecked(config['enabled'])
@@ -308,11 +309,17 @@ class Step5_5Panel(QWidget):
             # 优先直接从 Step5 的输出 widget 读取（已运行的最新输出）
             step5_output = main_window.step5_panel.output_file.get_path()
             if step5_output:
+                # 若为相对路径，使用 work_dir 合成为绝对路径
+                if not os.path.isabs(step5_output):
+                    step5_output = os.path.join(self.work_dir or '', step5_output).replace('\\', '/')
                 self.training_data_widget.set_path(step5_output)
             else:
                 # 退而求其次，使用 Step5 的输入 CSV
                 step5_csv = main_window.step5_panel.csv_file.get_path()
                 if step5_csv:
+                    # 若为相对路径，使用 work_dir 合成为绝对路径
+                    if not os.path.isabs(step5_csv):
+                        step5_csv = os.path.join(self.work_dir or '', step5_csv).replace('\\', '/')
                     self.training_data_widget.set_path(step5_csv)
 
         # 如果上述都没找到，尝试从 pipeline.step_outputs 回退
@@ -322,9 +329,11 @@ class Step5_5Panel(QWidget):
             if training_path:
                 self.training_data_widget.set_path(training_path)
 
-        # 2. 自动填充输出文件名（通用逻辑，由 run_step 根据输入文件名动态覆盖）
-        # 核心方法只接受文件名，不接受完整路径。
-        # 保持默认值，run_step 会根据输入自动填入 _indices.csv 后缀
+        # 2. 自动填入输出文件的绝对路径
+        if self.work_dir:
+            output_abs = os.path.join(self.work_dir, "6_water_quality_indices",
+                                     "training_spectra_indices.csv").replace('\\', '/')
+            self.output_file_widget.set_path(output_abs)
 
     def is_enabled(self) -> bool:
         return self.enable_checkbox.isChecked()
@@ -342,7 +351,7 @@ class Step5_5Panel(QWidget):
     def run_step(self):
         """独立运行步骤5.5：计算水质指数。
 
-        动态根据输入 CSV 文件名生成输出文件名，自动填入 output_filename 文本框。
+        动态根据输入 CSV 文件名生成输出文件名，自动填入 output_file_widget。
         例如：training_spectra.csv → training_spectra_indices.csv
               sampling_spectra.csv → sampling_spectra_indices.csv
         """
@@ -363,10 +372,18 @@ class Step5_5Panel(QWidget):
             QMessageBox.warning(self, "输入验证失败", "公式CSV文件不存在")
             return
 
-        # 动态生成输出文件名：自动拼接 _indices 后缀
+        # 动态生成输出文件：自动拼接 _indices 后缀
         input_name = Path(training_csv_path).stem
         dynamic_output = f"{input_name}_indices.csv"
-        self.output_filename.setText(dynamic_output)
+
+        # 合成完整绝对路径（优先使用 work_dir，其次从 training_csv_path 推导）
+        work_dir = getattr(self, 'work_dir', None)
+        if work_dir:
+            dynamic_output = os.path.join(
+                work_dir, "6_water_quality_indices", dynamic_output
+            ).replace('\\', '/')
+
+        self.output_file_widget.set_path(dynamic_output)
 
         # 获取配置
         config = self.get_config()

src/gui/panels/step5_panel.py

@@ -170,9 +170,15 @@ class Step5Panel(QWidget):
                 mask_path = main_window.step1_panel.output_file.get_path()
             else:
                 mask_path = main_window.step1_panel.mask_file.get_path()
+            # 若为相对路径，使用 work_dir 合成为绝对路径
+            if mask_path and not os.path.isabs(mask_path):
+                mask_path = os.path.join(self.work_dir or '', mask_path).replace('\\', '/')
 
         # 填充水体掩膜路径
         if mask_path:
+            # 若为相对路径，使用 work_dir 合成为绝对路径
+            if not os.path.isabs(mask_path):
+                mask_path = os.path.join(self.work_dir or '', mask_path).replace('\\', '/')
             self.water_mask_file.set_path(mask_path)
 
         # 3. 尝试从 Step2 界面读取耀斑掩膜路径
@@ -180,6 +186,9 @@ class Step5Panel(QWidget):
         if hasattr(main_window, 'step2_panel'):
             glint_path = main_window.step2_panel.output_file.get_path()
             if glint_path:
+                # 若为相对路径，使用 work_dir 合成为绝对路径
+                if not os.path.isabs(glint_path):
+                    glint_path = os.path.join(self.work_dir or '', glint_path).replace('\\', '/')
                 self.glint_mask_file.set_path(glint_path)
 
         # 4. 自动填充输出路径（基于工作目录）
@@ -196,6 +205,9 @@ class Step5Panel(QWidget):
         if main_window and hasattr(main_window, 'step4_panel'):
             step4_output_path = main_window.step4_panel.output_file.get_path()
             if step4_output_path:
+                # 若为相对路径，使用 work_dir 合成为绝对路径
+                if not os.path.isabs(step4_output_path):
+                    step4_output_path = os.path.join(self.work_dir or '', step4_output_path).replace('\\', '/')
                 existing_csv = self.csv_file.get_path()
                 if not existing_csv or not existing_csv.strip():
                     self.csv_file.set_path(step4_output_path)

src/gui/panels/step6_5_panel.py

@@ -102,11 +102,11 @@ class Step6_5Panel(QWidget):
         self.spectral_start_col.setValue(1)
         params_layout.addRow("光谱起始列索引:", self.spectral_start_col)
 
-        # 窗口大小
-        self.window = QSpinBox()
-        self.window.setRange(1, 20)
-        self.window.setValue(5)
-        params_layout.addRow("窗口大小:", self.window)
+        # 窗口大小 (变量名已修正，避免覆盖 QWidget.window)
+        self.window_size_spinbox = QSpinBox()
+        self.window_size_spinbox.setRange(1, 20)
+        self.window_size_spinbox.setValue(5)
+        params_layout.addRow("窗口大小:", self.window_size_spinbox)
 
         params_group.setLayout(params_layout)
         layout.addWidget(params_group)
@@ -160,7 +160,7 @@ class Step6_5Panel(QWidget):
             'algorithms': selected_algorithms,
             'value_cols': value_cols,
             'spectral_start_col': self.spectral_start_col.value(),
-            'window': self.window.value(),
+            'window': self.window_size_spinbox.value(),
             'enabled': self.enable_checkbox.isChecked()
         }
 
@@ -205,7 +205,7 @@ class Step6_5Panel(QWidget):
             self.spectral_start_col.setValue(config['spectral_start_col'])
 
         if 'window' in config:
-            self.window.setValue(config['window'])
+            self.window_size_spinbox.setValue(config['window'])
         if 'output_dir' in config:
             self.output_dir.set_path(config['output_dir'])
         if 'csv_path' in config:
@@ -218,6 +218,9 @@ class Step6_5Panel(QWidget):
             work_dir: 工作目录路径
             pipeline: Pipeline 实例（未使用，保留接口兼容性）
         """
+        try:
+            import traceback
+
             if work_dir:
                 self.work_dir = work_dir
             elif hasattr(self, 'work_dir') and self.work_dir:
@@ -225,11 +228,21 @@ class Step6_5Panel(QWidget):
             else:
                 self.work_dir = None
 
-        # 1. 尝试从 Step5 界面读取训练光谱 CSV 路径
-        main_window = self.window()
+            # 借用父组件的 window() 方法，安全绕过当前类的命名冲突
+            parent_widget = self.parentWidget()
+            main_window = parent_widget.window() if parent_widget else None
             if main_window and hasattr(main_window, 'step5_panel'):
-            step5_output_path = main_window.step5_panel.output_file.get_path()
+                step5_widget = getattr(main_window.step5_panel, 'output_file', None)
+                step5_output_path = ""
+                if hasattr(step5_widget, 'get_path'):
+                    step5_output_path = step5_widget.get_path() or ""
+                elif hasattr(step5_widget, 'text'):
+                    step5_output_path = step5_widget.text() or ""
+
                 if step5_output_path:
+                    # 若为相对路径，使用 work_dir 合成为绝对路径
+                    if not os.path.isabs(step5_output_path):
+                        step5_output_path = os.path.join(self.work_dir or '', step5_output_path).replace('\\', '/')
                     existing = self.training_csv_file.get_path()
                     if not existing or not existing.strip():
                         self.training_csv_file.set_path(step5_output_path)
@@ -241,12 +254,18 @@ class Step6_5Panel(QWidget):
                 existing_out = self.output_dir.get_path()
                 if not existing_out or not existing_out.strip():
                     self.output_dir.set_path(output_dir)
+        except Exception as e:
+            import traceback
+            print(f"【{self.__class__.__name__}】自动填充失败，跳过: {e}")
+            traceback.print_exc()
 
     def _get_default_work_dir(self):
         """获取 work_dir，优先用 panel 自身缓存的，否则尝试从主窗口取"""
         if hasattr(self, 'work_dir') and self.work_dir:
             return str(self.work_dir)
-        mw = self.window()
+        # 借用父组件的 window() 方法，安全绕过当前类的命名冲突
+        parent_widget = self.parentWidget()
+        mw = parent_widget.window() if parent_widget else None
         if mw and hasattr(mw, 'work_dir') and mw.work_dir:
             return str(mw.work_dir)
         return ""

src/gui/panels/step6_75_panel.py

@@ -148,7 +148,7 @@ class Step6_75Panel(QWidget):
         output_layout = QFormLayout()
 
         self.output_dir = QLineEdit()
-        self.output_dir.setText("9_Custom_Regression_Modeling")
+        self.output_dir.setText("")  # 路径由 update_from_config 根据 work_dir 自动填充
         output_layout.addRow("输出目录名:", self.output_dir)
 
         output_group.setLayout(output_layout)
@@ -299,6 +299,9 @@ class Step6_75Panel(QWidget):
         if main_window and hasattr(main_window, 'step5_panel'):
             step5_output_path = main_window.step5_panel.output_file.get_path()
             if step5_output_path:
+                # 若为相对路径，使用 work_dir 合成为绝对路径
+                if not os.path.isabs(step5_output_path):
+                    step5_output_path = os.path.join(self.work_dir or '', step5_output_path).replace('\\', '/')
                 existing = self.csv_file.get_path()
                 if not existing or not existing.strip():
                     self.csv_file.set_path(step5_output_path)

src/gui/panels/step6_panel.py

@@ -298,12 +298,15 @@ class Step6Panel(QWidget):
         else:
             self.work_dir = None
 
-        # 1. 尝试从 Step5 界面读取训练数据路径
+        # 1. 尝试从 Step5 界面读取训练数据路径，并确保为绝对路径
         main_window = self.window()
         if hasattr(main_window, 'step5_panel'):
             # 优先直接从 Step5 的输出 widget 读取
             step5_output = main_window.step5_panel.output_file.get_path()
             if step5_output:
+                # 若为相对路径，使用 work_dir 合成为绝对路径
+                if not os.path.isabs(step5_output):
+                    step5_output = os.path.join(self.work_dir or '', step5_output).replace('\\', '/')
                 self.training_csv_file.set_path(step5_output)
             elif hasattr(main_window, 'step5_panel') and hasattr(main_window.step5_panel, 'get_config'):
                 # 回退：从 Step5 的 config 字典中查找可能的键名
@@ -315,6 +318,9 @@ class Step6Panel(QWidget):
                     or step5_cfg.get('output_csv')
                 )
                 if step5_csv:
+                    # 若为相对路径，使用 work_dir 合成为绝对路径
+                    if not os.path.isabs(step5_csv):
+                        step5_csv = os.path.join(self.work_dir or '', step5_csv).replace('\\', '/')
                     self.training_csv_file.set_path(step5_csv)
 
         # 2. 自动填充输出文件路径（基于工作目录和输入文件名）

src/gui/panels/step7_panel.py

@@ -145,6 +145,9 @@ class Step7Panel(QWidget):
             deglint_path = main_window.step3_panel.output_file.get_path()
 
         if deglint_path:
+            # 若为相对路径，使用 work_dir 合成为绝对路径
+            if not os.path.isabs(deglint_path):
+                deglint_path = os.path.join(self.work_dir or '', deglint_path).replace('\\', '/')
             self.deglint_img_file.set_path(deglint_path)
 
         # 2. 填充水域掩膜路径（优先从 pipeline.step_outputs 获取绝对路径）
@@ -161,6 +164,9 @@ class Step7Panel(QWidget):
             water_mask_path = main_window.step1_panel.output_file.get_path()
 
         if water_mask_path:
+            # 若为相对路径，使用 work_dir 合成为绝对路径
+            if not os.path.isabs(water_mask_path):
+                water_mask_path = os.path.join(self.work_dir or '', water_mask_path).replace('\\', '/')
             self.water_mask_file.set_path(water_mask_path)
 
         # 3. 自动填充输出路径（绝对路径）

src/gui/panels/step8_5_panel.py

@@ -102,6 +102,9 @@ class Step8_5Panel(QWidget):
         if main_window and hasattr(main_window, 'step7_panel'):
             step7_output_path = main_window.step7_panel.output_file.get_path()
             if step7_output_path:
+                # 若为相对路径，使用 work_dir 合成为绝对路径
+                if not os.path.isabs(step7_output_path):
+                    step7_output_path = os.path.join(self.work_dir or '', step7_output_path).replace('\\', '/')
                 existing = self.sampling_csv_file.get_path()
                 if not existing or not existing.strip():
                     self.sampling_csv_file.set_path(step7_output_path)
@@ -110,6 +113,9 @@ class Step8_5Panel(QWidget):
         if main_window and hasattr(main_window, 'step6_5_panel'):
             step6_5_models_dir = main_window.step6_5_panel.output_dir.get_path()
             if step6_5_models_dir:
+                # 若为相对路径，使用 work_dir 合成为绝对路径
+                if not os.path.isabs(step6_5_models_dir):
+                    step6_5_models_dir = os.path.join(self.work_dir or '', step6_5_models_dir).replace('\\', '/')
                 existing_models = self.models_dir_file.get_path()
                 if not existing_models or not existing_models.strip():
                     self.models_dir_file.set_path(step6_5_models_dir)

src/gui/panels/step8_75_panel.py

@@ -39,7 +39,7 @@ class Step8_75Panel(QWidget):
         self.regression_models_dir.label.setText("回归模型目录:")
         self.regression_models_dir.browse_btn.clicked.disconnect()
         self.regression_models_dir.browse_btn.clicked.connect(self.browse_regression_models_dir)
-        self.regression_models_dir.set_path("9_Custom_Regression_Modeling")
+        self.regression_models_dir.set_path("")  # 路径由 update_from_config 根据 work_dir 自动填充
         layout.addWidget(self.regression_models_dir)
 
         # 公式CSV文件选择（用于查找index_formula）
@@ -95,6 +95,9 @@ class Step8_75Panel(QWidget):
         if main_window and hasattr(main_window, 'step7_panel'):
             step7_output_path = main_window.step7_panel.output_file.get_path()
             if step7_output_path:
+                # 若为相对路径，使用 work_dir 合成为绝对路径
+                if not os.path.isabs(step7_output_path):
+                    step7_output_path = os.path.join(self.work_dir or '', step7_output_path).replace('\\', '/')
                 existing = self.sampling_csv_file.get_path()
                 if not existing or not existing.strip():
                     self.sampling_csv_file.set_path(step7_output_path)
@@ -103,11 +106,21 @@ class Step8_75Panel(QWidget):
         if main_window and hasattr(main_window, 'step6_75_panel'):
             step6_75_models_dir = main_window.step6_75_panel.output_dir.text().strip()
             if step6_75_models_dir:
+                # 若为相对路径，使用 work_dir 合成为绝对路径
+                if not os.path.isabs(step6_75_models_dir):
+                    step6_75_models_dir = os.path.join(self.work_dir or '', step6_75_models_dir).replace('\\', '/')
                 existing_models = self.regression_models_dir.get_path()
                 if not existing_models or not existing_models.strip():
                     self.regression_models_dir.set_path(step6_75_models_dir)
 
-        # 3. 自动填充输出目录（自定义回归预测目录）
+        # 3. 自动填充回归模型目录（如果 step6_75 未提供）
+        if self.work_dir:
+            models_dir = self.regression_models_dir.get_path().strip()
+            if not models_dir:
+                default_models_dir = os.path.join(self.work_dir, "9_Custom_Regression_Modeling").replace('\\', '/')
+                self.regression_models_dir.set_path(default_models_dir)
+
+        # 4. 自动填充输出目录（自定义回归预测目录）
         if self.work_dir:
             output_dir = os.path.join(self.work_dir, "11_12_13_predictions/Custom_Regression_Prediction")
             os.makedirs(output_dir, exist_ok=True)

src/gui/panels/step8_panel.py

@@ -99,6 +99,9 @@ class Step8Panel(QWidget):
         if main_window and hasattr(main_window, 'step7_panel'):
             step7_output_path = main_window.step7_panel.output_file.get_path()
             if step7_output_path:
+                # 若为相对路径，使用 work_dir 合成为绝对路径
+                if not os.path.isabs(step7_output_path):
+                    step7_output_path = os.path.join(self.work_dir or '', step7_output_path).replace('\\', '/')
                 existing = self.sampling_csv_file.get_path()
                 if not existing or not existing.strip():
                     self.sampling_csv_file.set_path(step7_output_path)
@@ -107,6 +110,9 @@ class Step8Panel(QWidget):
         if main_window and hasattr(main_window, 'step6_panel'):
             step6_models_dir = main_window.step6_panel.output_dir.get_path()
             if step6_models_dir:
+                # 若为相对路径，使用 work_dir 合成为绝对路径
+                if not os.path.isabs(step6_models_dir):
+                    step6_models_dir = os.path.join(self.work_dir or '', step6_models_dir).replace('\\', '/')
                 existing_models = self.models_dir_file.get_path()
                 if not existing_models or not existing_models.strip():
                     self.models_dir_file.set_path(step6_models_dir)

src/gui/panels/step9_panel.py

@@ -324,12 +324,18 @@ class Step9Panel(QWidget):
         if hasattr(main_window, 'step8_panel'):
             step8_output = main_window.step8_panel.output_file.get_path()
             if step8_output:
+                # 若为相对路径，使用 work_dir 合成为绝对路径
+                if not os.path.isabs(step8_output):
+                    step8_output = os.path.join(self.work_dir or '', step8_output).replace('\\', '/')
                 pred_dir = str(Path(step8_output).parent)
 
         # 2. 备选：从 Step8.5 界面读取非经验预测输出目录
         if not pred_dir and hasattr(main_window, 'step8_5_panel'):
             step8_5_output = main_window.step8_5_panel.output_file.get_path()
             if step8_5_output:
+                # 若为相对路径，使用 work_dir 合成为绝对路径
+                if not os.path.isabs(step8_5_output):
+                    step8_5_output = os.path.join(self.work_dir or '', step8_5_output).replace('\\', '/')
                 pred_dir = str(Path(step8_5_output).parent)
 
         # 3. 备选：从 Step8.75 界面读取自定义回归预测输出目录

src/gui/panels/visualization_panel.py

@@ -493,22 +493,88 @@ class ChartViewerDialog(QDialog):
 
 
 class ImageCategoryTree(QTreeWidget):
-    """图像分类目录树 - 按类别组织图像文件"""
+    """图像分类目录树 - 按真实物理文件夹结构组织图像文件"""
 
-    CATEGORIES = [
-        ("模型评估", ["scatter", "regression", "validation", "r2", "rmse"], "📊"),
-        ("光谱分析", ["spectrum", "spectral", "band", "wavelength"], "📈"),
-        ("统计图表", ["boxplot", "histogram", "heatmap", "statistics", "stats"], "📉"),
-        ("处理结果", ["mask", "glint", "deglint", "preview", "overlay", "water_mask"], "🖼️"),
-        ("含量分布图", [], "📁"),
-    ]
+    # 文件名中文翻译映射（key: 文件名前缀 → 中文显示名）
+    NAME_MAPPING = {
+        "hsi_preview": "高光谱影像预览",
+        "hsi_original": "原始高光谱影像",
+        "hsi_deglint": "去耀斑高光谱影像",
+        "water_mask_overlay": "水域掩膜叠加图",
+        "water_mask": "水域掩膜图",
+        "glint_mask": "耀斑掩膜预览",
+        "glint_overlay": "耀斑叠加对比图",
+        "deglint_comparison": "去耀斑前后对比",
+        "training_spectra": "训练光谱特征",
+        "spectrum_by_param": "参数光谱图",
+        "model_evaluation": "模型评估散点图",
+        "model_scatter": "模型散点图",
+        "regression": "回归分析图",
+        "validation": "验证结果图",
+        "spatial_distribution": "参数空间分布图",
+        "distribution_map": "分布图",
+        "thematic_map": "水质专题图",
+        "water_quality_map": "水质分布图",
+        "prediction_map": "预测结果图",
+        "inversion_map": "反演结果图",
+        "correlation_matrix": "特征相关性矩阵",
+        "feature_correlation": "特征相关性",
+        "sampling_point_map": "采样点分布图",
+        "sampling_points": "采样点图",
+        "point_locations": "采样位置图",
+        "boxplot": "箱线图",
+        "histogram": "直方图",
+        "statistics": "统计图表",
+        "statistical_chart": "统计图",
+        "error_analysis": "误差分析图",
+        "rmse": "RMSE评估图",
+        "r2_score": "R²得分图",
+        "flight": "飞行轨迹图",
+        "path": "轨迹图",
+        "trajectory": "轨迹图",
+        "glint_deglint": "耀斑去耀斑影像",
+        "enhanced": "增强分布图",
+        "content": "含量分布图",
+        "distribution": "分布图",
+        "prediction": "预测图",
+        "inversion": "反演图",
+        "scatter_true_vs_pred": "真值-预测散点图",
+        "true_vs_pred": "真值-预测散点图",
+        "correlation_heatmap": "相关性热力图",
+        "parameter_boxplot": "水质参数箱线图",
+        "spectrum_comparison": "光谱曲线对比图",
+        "scatter": "散点图",
+    }
+
+    # 目录层级中文翻译
+    DIR_MAPPING = {
+        "14_visualization": "可视化产物",
+        "glint_deglint_previews": "耀斑与去耀斑预览",
+        "sampling_maps": "采样点地图",
+        "scatter_plots": "模型评估散点图",
+        "flight_maps": "飞行轨迹图",
+        "11_12_13_predictions": "预测结果",
+        "Machine_Learning_Prediction": "机器学习预测",
+        "Non_Empirical_Prediction": "非经验模型预测",
+        "Custom_Regression_Prediction": "自定义回归预测",
+        "8_Regression_Modeling": "回归建模",
+        "10_feature_construction": "特征构建",
+        "5_training_spectra": "训练光谱",
+        "2_glint": "耀斑分析",
+        "3_deglint": "去耀斑处理",
+        "1_water_mask": "水掩膜",
+        "9_water_quality_prediction": "水质预测",
+        "8_spatial_inversion": "空间反演",
+        "4_processed_data": "处理数据",
+    }
 
     def __init__(self, parent=None):
         super().__init__(parent)
+        self._dir_node_map: dict = {}  # 目录路径字符串 → QTreeWidgetItem
+        self._work_path: Optional[Path] = None
         self.setHeaderLabel("图像目录")
         self.setMaximumWidth(300)
         self.setMinimumWidth(250)
-        self.setup_categories()
         self.setStyleSheet("""
             QTreeWidget {
                 border: 1px solid #ddd;
@@ -528,71 +594,185 @@ class ImageCategoryTree(QTreeWidget):
             }
         """)
 
-    def setup_categories(self):
-        """初始化类别节点"""
-        self.category_items = {}
-        for category_name, keywords, icon in self.CATEGORIES:
-            item = QTreeWidgetItem(self)
-            item.setText(0, f"{icon} {category_name}")
-            item.setData(0, Qt.UserRole, {"type": "category", "keywords": keywords, "name": category_name})
-            item.setExpanded(True)
-            self.category_items[category_name] = item
-
     def clear_all_images(self):
         """清除所有图像项"""
-        for category_item in self.category_items.values():
-            while category_item.childCount() > 0:
-                category_item.removeChild(category_item.child(0))
+        try:
+            self.invisibleRootItem().takeChildren()
+            if hasattr(self, '_dir_node_map'):
+                self._dir_node_map.clear()
+        except Exception as e:
+            print(f"清空树状图出错: {e}")
+            import traceback
+            traceback.print_exc()
 
-    def add_image(self, file_path: Path, display_name: str = None):
-        """添加图像到对应的类别"""
-        if display_name is None:
-            display_name = file_path.stem
+    def _translate_dir_name(self, dir_name: str) -> str:
+        """翻译目录名为中文"""
+        return self.DIR_MAPPING.get(dir_name, dir_name)
 
-        category = self._determine_category(file_path.name)
-        category_item = self.category_items.get(category, self.category_items["含量分布图"])
+    def _translate_filename(self, filename: str) -> str:
+        """翻译文件名为中文（动态替换后缀片段）"""
+        # 依次替换常见后缀模式
+        replacements = [
+            ("_spectrum_comparison", " 光谱曲线对比图"),
+            ("_scatter_true_vs_pred", " 真值-预测散点图"),
+            ("_true_vs_pred", " 真值-预测散点图"),
+            ("_histogram", " 分布直方图"),
+            ("_boxplot", " 箱线图"),
+            ("_distribution_map", " 分布图"),
+            ("_distribution_enhanced", " 增强分布图"),
+            ("_thematic_map", " 专题图"),
+            ("_water_quality_map", " 水质分布图"),
+            ("_prediction_map", " 预测结果图"),
+            ("_inversion_map", " 反演结果图"),
+            ("_glint_deglint", " 耀斑去耀斑对比"),
+            ("_glint_mask", " 耀斑掩膜"),
+            ("_deglint", " 去耀斑"),
+            ("_mask_overlay", " 掩膜叠加"),
+            ("_content", " 含量"),
+            ("_distribution", " 分布"),
+            ("_prediction", " 预测"),
+            ("_inversion", " 反演"),
+            ("_enhanced", " 增强"),
+            ("_scatter", " 散点图"),
+            ("_boxplot", " 箱线图"),
+            ("_correlation_heatmap", " 相关性热力图"),
+            ("_parameter_boxplot", " 箱线图"),
+            ("_sampling_point", " 采样点"),
+            ("_sampling_points", " 采样点"),
+            ("_flight_path", " 飞行轨迹"),
+            ("_trajectory", " 轨迹"),
+        ]
+        result = filename
+        for pattern, replacement in replacements:
+            result = result.replace(pattern, replacement)
 
-        image_item = QTreeWidgetItem(category_item)
-        image_item.setText(0, f"  └─ {display_name}")
-        image_item.setData(0, Qt.UserRole, {"type": "image", "path": str(file_path)})
+        # 处理参数名（常见水质参数翻译）
+        param_map = {
+            "Chla": "叶绿素", "COD": "化学需氧量", "TN": "总氮", "TP": "总磷",
+            "Turbidity": "浊度", "DO": "溶解氧", "pH": "pH值",
+            "Conductivity": "电导率", "BOD": "生化需氧量", "NH3_N": "氨氮",
+        }
+        for eng, chn in param_map.items():
+            # 在文件名中找到参数名并翻译
+            if eng.lower() in result.lower():
+                result = result.replace(eng, chn)
+            if eng.lower() in result.lower():
+                result = result.replace(eng.lower(), chn)
+
+        # 如果没有任何替换，返回原文件名（去掉扩展名）
+        if result == filename:
+            return filename.rsplit(".", 1)[0] if "." in filename else filename
+        return result
+
+    def add_image_by_dir(self, file_path: Path, work_path: Path):
+        """按真实物理目录层级挂载图片节点
+
+        Args:
+            file_path: 图片文件的完整路径
+            work_path: 工作目录根路径
+        """
+        # 计算相对路径
+        try:
+            rel_path = file_path.relative_to(work_path)
+        except ValueError:
+            rel_path = Path(file_path.name)
+
+        # 分离父目录链和文件名
+        parts = rel_path.parts
+        if len(parts) <= 1:
+            parent_key = "__root__"
+            parent_display = "根目录"
+        else:
+            # 父目录路径（相对于work_path）
+            parent_key = str(Path(*parts[:-1]))
+            # 取最后一层目录名作为显示名
+            parent_display = self._translate_dir_name(parts[-2])
+
+        # 根目录节点特殊处理
+        root_display = self._translate_dir_name(parts[0]) if parts else "根目录"
+
+        # 获取或创建根目录节点
+        if root_display not in self._dir_node_map:
+            root_item = QTreeWidgetItem(self)
+            root_item.setText(0, f"📁 {root_display}")
+            root_item.setData(0, Qt.UserRole, {"type": "root_dir", "path": str(work_path / parts[0])})
+            root_item.setExpanded(True)
+            self._dir_node_map[root_display] = root_item
+            self._dir_node_map[f"__root__{root_display}"] = root_item
+        root_item = self._dir_node_map.get(f"__root__{root_display}")
+
+        if len(parts) > 1:
+            # 获取或创建子目录节点
+            if parent_key not in self._dir_node_map:
+                dir_item = QTreeWidgetItem(root_item)
+                dir_item.setText(0, f"  📂 {parent_display}")
+                dir_item.setData(0, Qt.UserRole, {"type": "sub_dir", "path": str(work_path / parent_key)})
+                dir_item.setExpanded(True)
+                self._dir_node_map[parent_key] = dir_item
+            parent_item = self._dir_node_map[parent_key]
+        else:
+            parent_item = root_item
+
+        # 创建图片节点
+        display_name = self._translate_filename(file_path.stem) + file_path.suffix
+        image_item = QTreeWidgetItem(parent_item)
+        image_item.setText(0, f"    🖼 {display_name}")
+        image_item.setData(0, Qt.UserRole, {"type": "image", "path": str(file_path), "display_name": display_name})
         image_item.setToolTip(0, str(file_path))
 
         return image_item
 
-    def _determine_category(self, filename: str) -> str:
-        """根据文件名确定类别"""
-        filename_lower = filename.lower()
-
-        for category_name, keywords, _ in self.CATEGORIES:
-            if any(keyword in filename_lower for keyword in keywords):
-                return category_name
-
-        return "含量分布图"
-
     def scan_directory(self, work_dir: str):
-        """扫描目录中的所有图像文件"""
-        self.clear_all_images()
-
-        work_path = Path(work_dir)
-        if not work_path.exists():
+        """扫描目录中的所有图像文件（深度递归扫描）—— 按真实物理目录结构挂载"""
+        try:
+            if not work_dir:
+                print("可视化面板：工作目录为空，跳过扫描")
                 return
 
+            self._work_path = Path(work_dir)
+
+            # 阻塞信号，防止在清空树状图时触发 selected 槽函数导致崩溃
+            # 因为当前类继承自 QTreeWidget，所以 self 本身就是树
+            self.blockSignals(True)
+            self.clear_all_images()
+            self.blockSignals(False)
+
+            if not self._work_path.exists():
+                return
+        except Exception as e:
+            import traceback
+            print(f"可视化面板初始化扫描出错: {e}")
+            traceback.print_exc()
+            # 确保信号锁被解开
+            self.blockSignals(False)
+            return
+
+        try:
             image_extensions = ['*.png', '*.jpg', '*.jpeg', '*.tif', '*.tiff', '*.bmp']
-        scan_roots: List[Path] = []
-        _viz = work_path / "14_visualization"
-        if _viz.is_dir():
-            scan_roots.append(_viz)
-        _wm = work_path / "1_water_mask"
-        if _wm.is_dir():
-            scan_roots.append(_wm)
+
+            # 拓宽扫描根目录列表（新增多个遗漏目录）
+            scan_roots: List[Path] = [
+                self._work_path / "14_visualization",
+                self._work_path / "11_12_13_predictions",
+                self._work_path / "8_Regression_Modeling",
+                self._work_path / "10_feature_construction",
+                self._work_path / "5_training_spectra",
+                self._work_path / "2_glint",
+                self._work_path / "3_deglint",
+                self._work_path / "1_water_mask",
+                self._work_path / "9_water_quality_prediction",
+            ]
+
+            # 只保留存在的目录，并补充工作根目录作为兜底
+            scan_roots = [p for p in scan_roots if p.is_dir()]
             if not scan_roots:
-            scan_roots.append(work_path)
+                scan_roots.append(self._work_path)
 
             seen_norm: set = set()
             image_files: List[Path] = []
             for root in scan_roots:
                 for ext in image_extensions:
-                for p in root.glob(f"**/{ext}"):
+                    for p in root.rglob(ext):
                         key = os.path.normcase(os.path.normpath(str(p.resolve())))
                         if key in seen_norm:
                             continue
@@ -602,15 +782,23 @@ class ImageCategoryTree(QTreeWidget):
             for img_file in sorted(image_files):
                 if img_file.name.startswith('.') or 'thumb' in img_file.name.lower():
                     continue
-            self.add_image(img_file)
+                self.add_image_by_dir(img_file, self._work_path)
 
-        for category_name, item in self.category_items.items():
+            # 更新目录节点计数
+            for key, item in self._dir_node_map.items():
+                if key.startswith("__root__"):
+                    continue
+                if item.data(0, Qt.UserRole).get("type") == "sub_dir":
                     count = item.childCount()
-            if count > 0:
-                for cat_name, _, icon in self.CATEGORIES:
-                    if cat_name == category_name:
-                        item.setText(0, f"{icon} {category_name} ({count})")
-                        break
+                    name = item.text(0)
+                    if count > 0 and f"({count})" not in name:
+                        # 从目录名中提取显示名并附加计数
+                        display = name.strip()
+                        item.setText(0, f"  📂 {display} ({count})")
+        except Exception as e:
+            import traceback
+            print(f"可视化面板图片挂载出错: {e}")
+            traceback.print_exc()
 
     def get_selected_image_path(self) -> Optional[str]:
         """获取当前选中的图像路径"""
@@ -1252,6 +1440,7 @@ class VisualizationPanel(QWidget):
         4. {work_dir}/14_visualization（可视化目录）
         5. {work_dir}（工作目录根）
         """
+        try:
             if work_dir:
                 self.work_dir = work_dir
                 self.work_dir_edit.setText(str(work_dir))
@@ -1285,21 +1474,44 @@ class VisualizationPanel(QWidget):
 
             # 自动触发加载第一张图像
             self._load_first_image_from_tree()
+        except Exception as e:
+            import traceback
+            print(f"可视化面板 update_from_config 出错: {e}")
+            traceback.print_exc()
 
     def _load_first_image_from_tree(self):
-        """从目录树中加载第一张图像到右侧查看器"""
-        tree = self.image_tree
-        if tree is None:
+        """自动加载树状图中的第一张有效图片（兼容物理目录层级结构）"""
+        try:
+            tree = getattr(self, 'image_tree', None)
+            if not tree:
                 return
-        for category_item in tree.category_items.values():
-            for i in range(category_item.childCount()):
-                child = category_item.child(i)
-                data = child.data(0, Qt.UserRole)
-                if data and data.get("type") == "image":
-                    img_path = data.get("path")
-                    if img_path and Path(img_path).exists():
-                        self.image_viewer.load_image(img_path)
+
+            from PyQt5.QtCore import Qt
+
+            def find_first_image(item):
+                # 检查当前节点是否是图片节点
+                data = item.data(0, Qt.UserRole)
+                if isinstance(data, dict) and data.get("type") == "image":
+                    return item
+                # 如果不是，递归检查所有子节点
+                for i in range(item.childCount()):
+                    found = find_first_image(item.child(i))
+                    if found:
+                        return found
+                return None
+
+            # 遍历所有顶层节点
+            for i in range(tree.topLevelItemCount()):
+                first_img_item = find_first_image(tree.topLevelItem(i))
+                if first_img_item:
+                    tree.setCurrentItem(first_img_item)
+                    # 主动触发一次点击槽函数，以在右侧渲染图片
+                    self.on_tree_item_clicked(first_img_item, 0)
                     return
+        except Exception as e:
+            import traceback
+            print(f"自动加载首张图片失败: {e}")
+            traceback.print_exc()
 
     def scan_work_directory(self):
         """扫描工作目录中的图像文件"""

src/gui/water_quality_gui.py

@@ -29,6 +29,18 @@ from PyQt5.QtWidgets import (
 from PyQt5.QtCore import QThread, pyqtSignal, Qt, QTimer, QAbstractTableModel, QSize
 from PyQt5.QtGui import QIcon, QFont, QTextCursor, QPalette, QColor, QPixmap
 
+import sys
+import traceback
+
+def global_exception_handler(exc_type, exc_value, exc_traceback):
+    print("\n" + "="*50)
+    print("【严重错误拦截 - PyQt 崩溃死因】")
+    traceback.print_exception(exc_type, exc_value, exc_traceback)
+    print("="*50 + "\n")
+
+# 挂载全局异常钩子，阻止 PyQt 静默闪退
+sys.excepthook = global_exception_handler
+
 # 导入样式模块 - 兼容开发环境和 PyInstaller 打包
 try:
     from styles import ModernStylesheet