diff --git a/track-uniapp/src/pages/scan/detail.vue b/track-uniapp/src/pages/scan/detail.vue
index 95dc519..21c6f87 100644
--- a/track-uniapp/src/pages/scan/detail.vue
+++ b/track-uniapp/src/pages/scan/detail.vue
@@ -110,7 +110,7 @@
         <text class="popup-task">{{ recordPopup.task && recordPopup.task.task_name }}</text>
         <textarea v-model="recordForm.remark" class="popup-textarea" placeholder="填写备注说明" :maxlength="2000" />
         <view class="img-grid">
-          <view v-for="(img, i) in recordForm.images" :key="i" class="img-cell"><image :src="img" mode="aspectFill" class="img-thumb" @tap="previewRecordImage(i)" /><text v-if="canDeleteImage" class="img-del" @tap.stop="removeRecordImage(i)">✕</text></view>
+          <view v-for="(img, i) in recordForm.images" :key="i" class="img-cell"><image :src="imageUrl(img)" mode="aspectFill" class="img-thumb" @tap="previewRecordImage(i)" /><text v-if="canDeleteImage" class="img-del" @tap.stop="removeRecordImage(i)">✕</text></view>
           <view v-for="n in recordForm.pendingCount" :key="'p'+n" class="img-cell img-cell-loading"><text class="img-loading-text">⏳</text></view>
         </view>
         <button v-if="recordForm.images.length + recordForm.pendingCount < 9" class="btn-upload" @tap="handleChooseImage" :disabled="isUploading">{{ isUploading ? '上传中...' : `📷 拍照/选图 (${recordForm.images.length + recordForm.pendingCount}/9)` }}</button>
@@ -136,8 +136,15 @@
         <template v-if="actionPopup.type === 'reject'">
           <text class="popup-title">品质驳回</text>
           <textarea v-model="rejectReason" class="popup-textarea" placeholder="请填写驳回原因（必填）" :maxlength="500" />
+          <!-- 📷 异常图片为选填：编号错误、选错工序等场景可不拍照 -->
+          <view class="field-label">异常图片 <text class="optional">（选填，最多 9 张）</text></view>
+          <view class="img-grid">
+            <view v-for="(img, i) in rejectForm.images" :key="i" class="img-cell"><image :src="imageUrl(img)" mode="aspectFill" class="img-thumb" @tap="previewRejectImage(i)" /><text class="img-del" @tap.stop="removeRejectImage(i)">✕</text></view>
+            <view v-for="n in rejectForm.pendingCount" :key="'rp'+n" class="img-cell img-cell-loading"><text class="img-loading-text">⏳</text></view>
+          </view>
+          <button v-if="rejectForm.images.length + rejectForm.pendingCount < 9" class="btn-upload" @tap="handleChooseRejectImage" :disabled="isUploading">{{ isUploading ? '上传中...' : `📷 拍照/选图 (${rejectForm.images.length + rejectForm.pendingCount}/9)` }}</button>
           <text class="popup-hint">⚠ 驳回后将自动创建返工任务</text>
-          <view class="popup-btns"><button class="btn-cancel" @tap="closeActionPopup">取消</button><button class="btn-danger" :class="{ 'btn-counting': confirming === 'reject' && confirmCount > 0 }" :disabled="actionLoading || !rejectReason.trim() || (confirming === 'reject' && confirmCount > 0)" @tap="confirmBtn('reject', doReject)">{{ confirmLabel('reject', '确认驳回') }}</button></view>
+          <view class="popup-btns"><button class="btn-cancel" @tap="closeActionPopup">取消</button><button class="btn-danger" :class="{ 'btn-counting': confirming === 'reject' && confirmCount > 0 }" :disabled="actionLoading || isUploading || !rejectReason.trim() || (confirming === 'reject' && confirmCount > 0)" @tap="confirmBtn('reject', doReject)">{{ isUploading ? '上传中...' : confirmLabel('reject', '确认驳回') }}</button></view>
         </template>
         <template v-if="actionPopup.type === 'transfer'">
           <text class="popup-title">完工转交</text>
@@ -240,6 +247,8 @@ export default {
       currentUser: null, currentUserId: "", currentUsername: "", currentUserRole: "", currentMode: "workspace", autoLockTaskId: "",
       processOptions: [], userOptions: [],
       actionPopup: { visible: false, type: "", task: null }, actionLoading: false, rejectReason: "", receiveRemark: "", receiveTaskName: "",
+      // 📷 驳回异常图片（选填）：与追加记录共用同一套选图/上传流程
+      rejectForm: { images: [], pendingCount: 0 },
       transferForm: { selectedUserId: "", isWarehouse: false, note: "" },
       spawnForm: { assignee_id: "", remark: "" },
       // 🛡️ 双重确认倒计时：避免误触
@@ -384,10 +393,42 @@ export default {
     openRecordPopup(task) { this.recordPopup = { visible: true, task }; this.recordForm = { recordId: null, remark: "", images: [], pendingCount: 0 }; this.isUploading = false; },
     openEditRecord({ task, record }) { this.recordPopup = { visible: true, task }; this.recordForm = { recordId: record.id, remark: record.remark || "", images: record.images || [], pendingCount: 0 }; this.isUploading = false; },
     closeRecordPopup() { this.recordPopup = { visible: false, task: null }; },
-    async handleChooseImage() { const maxSlots = 9 - (this.recordForm.images.length + this.recordForm.pendingCount); if (maxSlots <= 0) return; const chooseRes = await new Promise((resolve, reject) => { uni.chooseImage({ count: maxSlots, sizeType: ["compressed"], sourceType: ["camera", "album"], success: resolve, fail: reject }); }).catch(() => null); if (!chooseRes || !chooseRes.tempFilePaths || !chooseRes.tempFilePaths.length) return; let compressSkipCount = 0; const compressedPaths = []; for (const p of chooseRes.tempFilePaths) { try { const compressed = await new Promise((resolve, reject) => { uni.compressImage({ src: p, quality: 60, success: resolve, fail: reject }); }); compressedPaths.push(compressed.tempFilePath); } catch { compressSkipCount++; } } if (!compressedPaths.length) return; this.isUploading = true; this.recordForm.pendingCount += compressedPaths.length; for (const path of compressedPaths) { const url = await this.uploadFile(path); if (url) this.recordForm.images.push(url); this.recordForm.pendingCount--; } this.isUploading = false; },
+    // 🖼️ 后端返回的是相对路径（如 /api/v1/upload/files/xxx.jpg），直接丢给 <image> 会破图，
+    //    这里补全域名 → 完整可访问 URL。逻辑与 records.vue / TaskTreeNode.vue 保持一致。
+    imageUrl(url) {
+      if (!url) return "";
+      if (url.startsWith("http")) return url;
+      const domain = getBaseUrl().replace(/\/api.*$/, '');
+      return domain + (url.startsWith("/") ? url : "/" + url);
+    },
+    // 📷 通用选图上传：压缩后逐个上传，URL 累积进 target.images，
+    //    过程中用 target.pendingCount 显示 ⏳ 占位（追加记录 / 驳回共用）
+    async pickAndUploadImages(target) {
+      const maxSlots = 9 - (target.images.length + target.pendingCount);
+      if (maxSlots <= 0) return;
+      const chooseRes = await new Promise((resolve, reject) => { uni.chooseImage({ count: maxSlots, sizeType: ["compressed"], sourceType: ["camera", "album"], success: resolve, fail: reject }); }).catch(() => null);
+      if (!chooseRes || !chooseRes.tempFilePaths || !chooseRes.tempFilePaths.length) return;
+      const compressedPaths = [];
+      for (const p of chooseRes.tempFilePaths) {
+        try { const compressed = await new Promise((resolve, reject) => { uni.compressImage({ src: p, quality: 60, success: resolve, fail: reject }); }); compressedPaths.push(compressed.tempFilePath); } catch {}
+      }
+      if (!compressedPaths.length) return;
+      this.isUploading = true;
+      target.pendingCount += compressedPaths.length;
+      for (const path of compressedPaths) {
+        const url = await this.uploadFile(path);
+        if (url) target.images.push(url);
+        target.pendingCount--;
+      }
+      this.isUploading = false;
+    },
+    handleChooseImage() { return this.pickAndUploadImages(this.recordForm); },
+    handleChooseRejectImage() { return this.pickAndUploadImages(this.rejectForm); },
     uploadFile(filePath) { return new Promise((resolve) => { uni.uploadFile({ url: getBaseUrl() + "/upload/", filePath, name: "file", success(res) { try { const data = JSON.parse(res.data); resolve(data.url || null); } catch { resolve(null); } }, fail: () => resolve(null) }); }); },
     removeRecordImage(i) { this.openConfirmDlg({ title: "删除图片", content: "确定删除这张图片吗？", countdown: true, action: () => { this.recordForm.images.splice(i, 1); } }); },
-    previewRecordImage(i) { uni.previewImage({ urls: this.recordForm.images, current: i }); },
+    previewRecordImage(i) { uni.previewImage({ urls: this.recordForm.images.map((u) => this.imageUrl(u)), current: i }); },
+    removeRejectImage(i) { this.rejectForm.images.splice(i, 1); },
+    previewRejectImage(i) { uni.previewImage({ urls: this.rejectForm.images.map((u) => this.imageUrl(u)), current: i }); },
     async doSaveRecord() { if (this.isUploading) return; this.recordSaving = true; try { const payload = { remark: this.recordForm.remark.trim(), images: this.recordForm.images }; if (this.recordForm.recordId) await put(`/records/${this.recordForm.recordId}`, payload); else await patch(`/tasks/${this.recordPopup.task.id}/records`, payload); uni.showToast({ title: "已保存", icon: "success" }); this.closeRecordPopup(); this.doQuery(this.product.serial_number); } catch {} finally { this.recordSaving = false; } },
 
     async handleTaskAction({ task, type, record }) {
@@ -397,6 +438,7 @@ export default {
       if (type === "recall") { this.confirmRecall(task); return; }
       if (type === "transfer" || type === "spawn") { uni.showLoading({ title: "加载数据..." }); try { if (!this.userOptions.length) await this.loadUsers(); this.processOptions = ["🏭 入库 (virtual_warehouse)", ...this.availableTaskOptions]; } finally { uni.hideLoading(); } }
       this.actionPopup = { visible: true, type, task }; this.rejectReason = ""; this.receiveRemark = ""; this.receiveTaskName = "";
+      this.rejectForm = { images: [], pendingCount: 0 }; this.isUploading = false;
       this.transferForm = { selectedUserId: "", isWarehouse: false, note: "" };
       this.spawnForm = { assignee_id: "", remark: "" };
     },
@@ -468,7 +510,8 @@ export default {
       this.confirmDlg.action = null;
     },
     async doReceive() { this.actionLoading = true; try { const remark = this.receiveRemark.trim() || undefined; const opId = this.currentUsername || this.currentUserId; await post(`/tasks/${this.actionPopup.task.id}/receive?operator_id=${encodeURIComponent(opId)}`, { remark, task_name: this.receiveTaskName }); uni.showToast({ title: "已接收", icon: "success" }); this.closeActionPopup(); this.doQuery(this.product.serial_number); } catch {} finally { this.actionLoading = false; } },
-    async doReject() { this.actionLoading = true; try { const opId = this.currentUsername || this.currentUserId; await post(`/tasks/${this.actionPopup.task.id}/reject?operator_id=${encodeURIComponent(opId)}`, { reason: this.rejectReason.trim() }); uni.showToast({ title: "已驳回", icon: "success" }); this.closeActionPopup(); this.doQuery(this.product.serial_number); } catch {} finally { this.actionLoading = false; } },
+    // 驳回：reason 必填，images 选填（编号错误等场景允许空数组）
+    async doReject() { if (this.isUploading) return; this.actionLoading = true; try { const opId = this.currentUsername || this.currentUserId; await post(`/tasks/${this.actionPopup.task.id}/reject?operator_id=${encodeURIComponent(opId)}`, { reason: this.rejectReason.trim(), images: this.rejectForm.images }); uni.showToast({ title: "已驳回", icon: "success" }); this.closeActionPopup(); this.doQuery(this.product.serial_number); } catch {} finally { this.actionLoading = false; } },
     // 转交 — 互斥选择
     selectTransferUser(userId) { this.transferForm.selectedUserId = userId; this.transferForm.isWarehouse = false; },
     toggleWarehouse() { this.transferForm.isWarehouse = !this.transferForm.isWarehouse; if (this.transferForm.isWarehouse) this.transferForm.selectedUserId = ""; },
@@ -529,9 +572,10 @@ export default {
 .overall-outbound { color: #4f46e5; }  /* 已出库：靛蓝 */
 .overall-warehouse { color: #ea580c; } /* 待仓库收货：橙 */
 .overall-arrow { font-size: 12px; color: #9ca3af; }
-/* 🔧 售后回流标识：红底白字，回流设备一眼可辨（生产阶段不打标） */
+/* 🔧 售后回流标识：紫底白字（生产阶段不打标）
+   不用红色——红色在本系统是「驳回/危险」语义，售后只是另一条流转支线。 */
 .life-badge { font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 20px; flex-shrink: 0; }
-.life-badge-after { background: #dc2626; color: #ffffff; }
+.life-badge-after { background: #9333ea; color: #ffffff; }
 .card { background: #fff; border-radius: 12px; padding: 14px; margin-bottom: 12px; box-shadow: 0 1px 3px rgba(0,0,0,0.06); flex-shrink: 0; min-height: 120px; }
 .card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; gap: 6px; }
 .card-header-right { display: flex; align-items: center; gap: 4px; flex-shrink: 0; flex-wrap: wrap; justify-content: flex-end; }
@@ -604,6 +648,7 @@ export default {
 .btn-disabled { background: #9ca3af; opacity: 0.5; }
 .mb-bottom-anchor { height: 1px; }
 .required { color: #ef4444; }
+.optional { color: #9ca3af; font-weight: 400; font-size: 12px; }
 .picker-box { width: 100%; height: 42px; border: 1px solid #e5e7eb; border-radius: 10px; padding: 0 12px; font-size: 14px; color: #1f2937; line-height: 42px; box-sizing: border-box; background: #fff; }
 .img-grid { display: flex; flex-wrap: wrap; margin: 8px -5px; }
 .img-cell { position: relative; width: 160rpx; height: 160rpx; margin: 10rpx; }
diff --git a/track-uniapp/src/utils/request.js b/track-uniapp/src/utils/request.js
index e1bf4cb..086bd27 100644
--- a/track-uniapp/src/utils/request.js
+++ b/track-uniapp/src/utils/request.js
@@ -82,6 +82,39 @@ async function refreshAccessToken() {
   });
 }
 
+// ============================================================
+// 错误文案提取 — 把后端 detail 统一转成能读的中文，杜绝 [object Object]
+// ============================================================
+//
+// FastAPI 的 detail 有三种形态，直接丢给 showToast 会变成 [object Object]：
+//   1. 字符串：            {"detail": "任务状态为 COMPLETED，无法驳回"}
+//   2. 校验错误数组(422)： {"detail": [{"loc": ["body","images"], "msg": "Value error, 驳回必须...", "type": "value_error"}]}
+//   3. 对象：              {"detail": {"msg": "..."}}
+export function extractErrorDetail(data, fallback = "") {
+  const detail = data && data.detail;
+  if (!detail) return (data && data.msg) || fallback;
+  if (typeof detail === "string") return detail || fallback;
+
+  if (Array.isArray(detail)) {
+    const msgs = detail.map((item) => {
+      if (typeof item === "string") return item;
+      if (!item || typeof item !== "object") return "";
+      // Pydantic v2 自定义校验器抛的错带 "Value error, " 前缀，读起来噪音大，去掉
+      const msg = String(item.msg || item.message || "").replace(/^Value error,\s*/, "");
+      const field = Array.isArray(item.loc)
+        ? item.loc.filter((p) => !["body", "query", "path"].includes(p)).join(".")
+        : "";
+      return field && msg ? `${field}: ${msg}` : msg;
+    }).filter(Boolean);
+    return msgs.length ? msgs.join("；") : fallback;
+  }
+
+  if (typeof detail === "object") {
+    return detail.msg || detail.message || JSON.stringify(detail);
+  }
+  return String(detail) || fallback;
+}
+
 export default function request(options) {
   return new Promise((resolve, reject) => {
     const url = options.url.startsWith("http") ? options.url : getBaseUrl() + options.url;
@@ -137,10 +170,14 @@ export default function request(options) {
           return;
         }
 
-        if (code === 403) uni.showToast({ title: res.data?.detail || "无权操作", icon: "none", duration: 3000 });
-        else if (code === 400) uni.showToast({ title: res.data?.detail || "请求参数有误", icon: "none", duration: 2500 });
-        else if (code === 409) uni.showToast({ title: res.data?.detail || "操作冲突", icon: "none", duration: 3000 });
-        else { const d = res.data?.detail || ""; uni.showToast({ title: d || `请求失败 (${code})`, icon: "none", duration: 3000 }); }
+        if (code === 403) uni.showToast({ title: extractErrorDetail(res.data, "无权操作"), icon: "none", duration: 3000 });
+        else if (code === 400) uni.showToast({ title: extractErrorDetail(res.data, "请求参数有误"), icon: "none", duration: 2500 });
+        else if (code === 409) uni.showToast({ title: extractErrorDetail(res.data, "操作冲突"), icon: "none", duration: 3000 });
+        else if (code === 422) {
+          // 表单/参数校验失败（Pydantic）—— detail 是校验项数组，必须解析出 msg 再提示
+          uni.showToast({ title: extractErrorDetail(res.data, "提交内容不符合要求"), icon: "none", duration: 3000 });
+        }
+        else uni.showToast({ title: extractErrorDetail(res.data, `请求失败 (${code})`), icon: "none", duration: 3000 });
         reject(res);
       },
       fail() { uni.showToast({ title: "网络连接失败", icon: "none" }); reject(new Error("network")); },