diff --git a/src/core/water_quality_inversion_pipeline_GUI.py b/src/core/water_quality_inversion_pipeline_GUI.py
index d6f4102..d9e580a 100644
--- a/src/core/water_quality_inversion_pipeline_GUI.py
+++ b/src/core/water_quality_inversion_pipeline_GUI.py
@@ -84,7 +84,6 @@ from src.core.glint_removal.Kutser import Kutser
 from src.core.glint_removal.Goodman import Goodman
 from src.core.glint_removal.Hedley import Hedley
 from src.core.glint_removal.SUGAR import SUGAR, correction_iterative
-from src.utils.water_index import WaterQualityIndexCalculator
 from src.core.modeling.regression import SingleVariableRegressionAnalysis
 # 导入新的自定义回归预测模块
 from src.core.prediction.custom_regression_prediction import CustomRegressionPredictor
@@ -185,8 +184,6 @@ class WaterQualityInversionPipeline:
         # 回调函数（用于GUI更新）
         self.callback = None
 
-        self._index_calculator = WaterQualityIndexCalculator()
-        
         print(f"工作目录已创建: {self.work_dir}")
     
     def set_callback(self, callback):