diff --git a/app.py b/app.py
index 31acce26..f326ae46 100755
--- a/app.py
+++ b/app.py
@@ -3786,10 +3786,14 @@ def wechat_h5_payment_callback():
         return redirect(redirect_url)
 
     except Exception as e:
-        print(f"[微信H5支付] 回调处理失败: {e}")
         import traceback
-        traceback.print_exc()
-        return redirect(f'https://valuefrontier.cn/home/pages/account/subscription?wechat_pay_error=callback_failed')
+        error_detail = traceback.format_exc()
+        print(f"[微信H5支付] 回调处理失败: {e}")
+        print(f"[微信H5支付] 详细错误: {error_detail}")
+        # 临时：将错误信息编码后传递给前端，方便调试
+        import urllib.parse
+        error_msg = urllib.parse.quote(str(e)[:100])
+        return redirect(f'https://valuefrontier.cn/home/pages/account/subscription?wechat_pay_error=callback_failed&detail={error_msg}')
 
 
 @app.route('/api/payment/wechat/jsapi/create-order', methods=['POST'])