diff --git a/src/packageApproval/pages/form-completion.vue b/src/packageApproval/pages/form-completion.vue
index 825b333..7b42fb5 100644
--- a/src/packageApproval/pages/form-completion.vue
+++ b/src/packageApproval/pages/form-completion.vue
@@ -261,6 +261,18 @@ async function submit() {
   });
 }
 
+/** 文件选择失败时把平台返回的完整错误信息提示出来，便于定位机型/平台限制 */
+function chooseFail(res: any) {
+  let detail = '';
+  try {
+    detail =
+      res && typeof res.errMsg === 'string' ? res.errMsg : JSON.stringify(res);
+  } catch (error) {
+    detail = String(res);
+  }
+  showError('选择文件失败：' + (detail || '未知错误'), null);
+}
+
 function chooseAttachment() {
   if (attachments.value.length >= 9) {
     showError('每单最多上传9张附件', null);
@@ -272,7 +284,7 @@ function chooseAttachment() {
     count: remaining,
     extension: ['.jpg', '.jpeg', '.png', '.pdf', '.doc', '.docx', '.xls', '.xlsx'],
     success: (result: any) => uploadFiles(result.tempFiles || []),
-    fail: () => undefined
+    fail: chooseFail
   });
   // #endif
   // #ifdef MP-WEIXIN
@@ -280,7 +292,7 @@ function chooseAttachment() {
     count: remaining,
     type: 'file',
     success: (result: any) => uploadFiles(result.tempFiles || []),
-    fail: () => undefined
+    fail: chooseFail
   });
   // #endif
   // #ifdef APP-PLUS
@@ -292,7 +304,7 @@ function chooseAttachment() {
       (result.tempFilePaths || []).forEach((path: string) =>
         uploadFiles([{ path, name: path.split('/').pop() || '附件' }])
       ),
-    fail: () => undefined
+    fail: chooseFail
   });
   // #endif
 }
diff --git a/src/packageApproval/pages/form-coordination.vue b/src/packageApproval/pages/form-coordination.vue
index af578e0..b9e43be 100644
--- a/src/packageApproval/pages/form-coordination.vue
+++ b/src/packageApproval/pages/form-coordination.vue
@@ -333,6 +333,18 @@ async function submit() {
   });
 }
 
+/** 文件选择失败时把平台返回的完整错误信息提示出来，便于定位机型/平台限制 */
+function chooseFail(res: any) {
+  let detail = '';
+  try {
+    detail =
+      res && typeof res.errMsg === 'string' ? res.errMsg : JSON.stringify(res);
+  } catch (error) {
+    detail = String(res);
+  }
+  showError('选择文件失败：' + (detail || '未知错误'), null);
+}
+
 function chooseAttachment() {
   if (attachments.value.length >= 9) {
     showError('每单最多上传9张附件', null);
@@ -344,7 +356,7 @@ function chooseAttachment() {
     count: remaining,
     extension: ['.jpg', '.jpeg', '.png', '.pdf', '.doc', '.docx', '.xls', '.xlsx'],
     success: (result: any) => uploadFiles(result.tempFiles || []),
-    fail: () => undefined
+    fail: chooseFail
   });
   // #endif
   // #ifdef MP-WEIXIN
@@ -352,7 +364,7 @@ function chooseAttachment() {
     count: remaining,
     type: 'file',
     success: (result: any) => uploadFiles(result.tempFiles || []),
-    fail: () => undefined
+    fail: chooseFail
   });
   // #endif
   // #ifdef APP-PLUS
@@ -364,7 +376,7 @@ function chooseAttachment() {
       (result.tempFilePaths || []).forEach((path: string) =>
         uploadFiles([{ path, name: path.split('/').pop() || '附件' }])
       ),
-    fail: () => undefined
+    fail: chooseFail
   });
   // #endif
 }
diff --git a/src/packageApproval/pages/form-coupon.vue b/src/packageApproval/pages/form-coupon.vue
index acb64bb..7fe5cf6 100644
--- a/src/packageApproval/pages/form-coupon.vue
+++ b/src/packageApproval/pages/form-coupon.vue
@@ -345,6 +345,18 @@ async function submit() {
   });
 }
 
+/** 文件选择失败时把平台返回的完整错误信息提示出来，便于定位机型/平台限制 */
+function chooseFail(res: any) {
+  let detail = '';
+  try {
+    detail =
+      res && typeof res.errMsg === 'string' ? res.errMsg : JSON.stringify(res);
+  } catch (error) {
+    detail = String(res);
+  }
+  showError('选择文件失败：' + (detail || '未知错误'), null);
+}
+
 function chooseAttachment() {
   if (attachments.value.length >= 9) {
     showError('每单最多上传9张附件', null);
@@ -356,7 +368,7 @@ function chooseAttachment() {
     count: remaining,
     extension: ['.jpg', '.jpeg', '.png', '.pdf', '.doc', '.docx', '.xls', '.xlsx'],
     success: (result: any) => uploadFiles(result.tempFiles || []),
-    fail: () => undefined
+    fail: chooseFail
   });
   // #endif
   // #ifdef MP-WEIXIN
@@ -364,7 +376,7 @@ function chooseAttachment() {
     count: remaining,
     type: 'file',
     success: (result: any) => uploadFiles(result.tempFiles || []),
-    fail: () => undefined
+    fail: chooseFail
   });
   // #endif
   // #ifdef APP-PLUS
@@ -376,7 +388,7 @@ function chooseAttachment() {
       (result.tempFilePaths || []).forEach((path: string) =>
         uploadFiles([{ path, name: path.split('/').pop() || '附件' }])
       ),
-    fail: () => undefined
+    fail: chooseFail
   });
   // #endif
 }
diff --git a/src/packageApproval/pages/form-facility.vue b/src/packageApproval/pages/form-facility.vue
index 8f2dad9..d930503 100644
--- a/src/packageApproval/pages/form-facility.vue
+++ b/src/packageApproval/pages/form-facility.vue
@@ -420,6 +420,18 @@ async function submit() {
   });
 }
 
+/** 文件选择失败时把平台返回的完整错误信息提示出来，便于定位机型/平台限制 */
+function chooseFail(res: any) {
+  let detail = '';
+  try {
+    detail =
+      res && typeof res.errMsg === 'string' ? res.errMsg : JSON.stringify(res);
+  } catch (error) {
+    detail = String(res);
+  }
+  showError('选择文件失败：' + (detail || '未知错误'), null);
+}
+
 function chooseAttachment() {
   if (attachments.value.length >= 9) {
     showError('每单最多上传9张附件', null);
@@ -431,7 +443,7 @@ function chooseAttachment() {
     count: remaining,
     extension: ['.jpg', '.jpeg', '.png', '.pdf', '.doc', '.docx', '.xls', '.xlsx'],
     success: (result: any) => uploadFiles(result.tempFiles || []),
-    fail: () => undefined
+    fail: chooseFail
   });
   // #endif
   // #ifdef MP-WEIXIN
@@ -439,7 +451,7 @@ function chooseAttachment() {
     count: remaining,
     type: 'file',
     success: (result: any) => uploadFiles(result.tempFiles || []),
-    fail: () => undefined
+    fail: chooseFail
   });
   // #endif
   // #ifdef APP-PLUS
@@ -451,7 +463,7 @@ function chooseAttachment() {
       (result.tempFilePaths || []).forEach((path: string) =>
         uploadFiles([{ path, name: path.split('/').pop() || '附件' }])
       ),
-    fail: () => undefined
+    fail: chooseFail
   });
   // #endif
 }
diff --git a/src/packageApproval/pages/form-receipt.vue b/src/packageApproval/pages/form-receipt.vue
index 6f95788..cf650b4 100644
--- a/src/packageApproval/pages/form-receipt.vue
+++ b/src/packageApproval/pages/form-receipt.vue
@@ -271,6 +271,18 @@ async function submit() {
   });
 }
 
+/** 文件选择失败时把平台返回的完整错误信息提示出来，便于定位机型/平台限制 */
+function chooseFail(res: any) {
+  let detail = '';
+  try {
+    detail =
+      res && typeof res.errMsg === 'string' ? res.errMsg : JSON.stringify(res);
+  } catch (error) {
+    detail = String(res);
+  }
+  showError('选择文件失败：' + (detail || '未知错误'), null);
+}
+
 function chooseAttachment() {
   if (attachments.value.length >= 9) {
     showError('每单最多上传9张附件', null);
@@ -282,7 +294,7 @@ function chooseAttachment() {
     count: remaining,
     extension: ['.jpg', '.jpeg', '.png', '.pdf', '.doc', '.docx', '.xls', '.xlsx'],
     success: (result: any) => uploadFiles(result.tempFiles || []),
-    fail: () => undefined
+    fail: chooseFail
   });
   // #endif
   // #ifdef MP-WEIXIN
@@ -290,7 +302,7 @@ function chooseAttachment() {
     count: remaining,
     type: 'file',
     success: (result: any) => uploadFiles(result.tempFiles || []),
-    fail: () => undefined
+    fail: chooseFail
   });
   // #endif
   // #ifdef APP-PLUS
@@ -302,7 +314,7 @@ function chooseAttachment() {
       (result.tempFilePaths || []).forEach((path: string) =>
         uploadFiles([{ path, name: path.split('/').pop() || '附件' }])
       ),
-    fail: () => undefined
+    fail: chooseFail
   });
   // #endif
 }
diff --git a/src/packageApproval/pages/form-settlement.vue b/src/packageApproval/pages/form-settlement.vue
index 5dc8aa5..7111a4a 100644
--- a/src/packageApproval/pages/form-settlement.vue
+++ b/src/packageApproval/pages/form-settlement.vue
@@ -466,6 +466,18 @@ async function submit() {
   });
 }
 
+/** 文件选择失败时把平台返回的完整错误信息提示出来，便于定位机型/平台限制 */
+function chooseFail(res: any) {
+  let detail = '';
+  try {
+    detail =
+      res && typeof res.errMsg === 'string' ? res.errMsg : JSON.stringify(res);
+  } catch (error) {
+    detail = String(res);
+  }
+  showError('选择文件失败：' + (detail || '未知错误'), null);
+}
+
 function chooseAttachment() {
   if (attachments.value.length >= 9) {
     showError('每单最多上传9张附件', null);
@@ -477,7 +489,7 @@ function chooseAttachment() {
     count: remaining,
     extension: ['.jpg', '.jpeg', '.png', '.pdf', '.doc', '.docx', '.xls', '.xlsx'],
     success: (result: any) => uploadFiles(result.tempFiles || []),
-    fail: () => undefined
+    fail: chooseFail
   });
   // #endif
   // #ifdef MP-WEIXIN
@@ -485,7 +497,7 @@ function chooseAttachment() {
     count: remaining,
     type: 'file',
     success: (result: any) => uploadFiles(result.tempFiles || []),
-    fail: () => undefined
+    fail: chooseFail
   });
   // #endif
   // #ifdef APP-PLUS
@@ -497,7 +509,7 @@ function chooseAttachment() {
       (result.tempFilePaths || []).forEach((path: string) =>
         uploadFiles([{ path, name: path.split('/').pop() || '附件' }])
       ),
-    fail: () => undefined
+    fail: chooseFail
   });
   // #endif
 }
diff --git a/src/packageApproval/pages/form-vehicle.vue b/src/packageApproval/pages/form-vehicle.vue
index 909fb8e..77ad191 100644
--- a/src/packageApproval/pages/form-vehicle.vue
+++ b/src/packageApproval/pages/form-vehicle.vue
@@ -448,6 +448,18 @@ async function submit() {
   });
 }
 
+/** 文件选择失败时把平台返回的完整错误信息提示出来，便于定位机型/平台限制 */
+function chooseFail(res: any) {
+  let detail = '';
+  try {
+    detail =
+      res && typeof res.errMsg === 'string' ? res.errMsg : JSON.stringify(res);
+  } catch (error) {
+    detail = String(res);
+  }
+  showError('选择文件失败：' + (detail || '未知错误'), null);
+}
+
 function chooseAttachment() {
   if (attachments.value.length >= 9) {
     showError('每单最多上传9张附件', null);
@@ -459,7 +471,7 @@ function chooseAttachment() {
     count: remaining,
     extension: ['.jpg', '.jpeg', '.png', '.pdf', '.doc', '.docx', '.xls', '.xlsx'],
     success: (result: any) => uploadFiles(result.tempFiles || []),
-    fail: () => undefined
+    fail: chooseFail
   });
   // #endif
   // #ifdef MP-WEIXIN
@@ -467,7 +479,7 @@ function chooseAttachment() {
     count: remaining,
     type: 'file',
     success: (result: any) => uploadFiles(result.tempFiles || []),
-    fail: () => undefined
+    fail: chooseFail
   });
   // #endif
   // #ifdef APP-PLUS
@@ -479,7 +491,7 @@ function chooseAttachment() {
       (result.tempFilePaths || []).forEach((path: string) =>
         uploadFiles([{ path, name: path.split('/').pop() || '附件' }])
       ),
-    fail: () => undefined
+    fail: chooseFail
   });
   // #endif
 }
diff --git a/src/packageApproval/pages/form-venue.vue b/src/packageApproval/pages/form-venue.vue
index 5507937..7547b67 100644
--- a/src/packageApproval/pages/form-venue.vue
+++ b/src/packageApproval/pages/form-venue.vue
@@ -416,6 +416,18 @@ async function submit() {
   });
 }
 
+/** 文件选择失败时把平台返回的完整错误信息提示出来，便于定位机型/平台限制 */
+function chooseFail(res: any) {
+  let detail = '';
+  try {
+    detail =
+      res && typeof res.errMsg === 'string' ? res.errMsg : JSON.stringify(res);
+  } catch (error) {
+    detail = String(res);
+  }
+  showError('选择文件失败：' + (detail || '未知错误'), null);
+}
+
 function chooseAttachment() {
   if (attachments.value.length >= 9) {
     showError('每单最多上传9张附件', null);
@@ -427,7 +439,7 @@ function chooseAttachment() {
     count: remaining,
     extension: ['.jpg', '.jpeg', '.png', '.pdf', '.doc', '.docx', '.xls', '.xlsx'],
     success: (result: any) => uploadFiles(result.tempFiles || []),
-    fail: () => undefined
+    fail: chooseFail
   });
   // #endif
   // #ifdef MP-WEIXIN
@@ -435,7 +447,7 @@ function chooseAttachment() {
     count: remaining,
     type: 'file',
     success: (result: any) => uploadFiles(result.tempFiles || []),
-    fail: () => undefined
+    fail: chooseFail
   });
   // #endif
   // #ifdef APP-PLUS
@@ -447,7 +459,7 @@ function chooseAttachment() {
       (result.tempFilePaths || []).forEach((path: string) =>
         uploadFiles([{ path, name: path.split('/').pop() || '附件' }])
       ),
-    fail: () => undefined
+    fail: chooseFail
   });
   // #endif
 }