diff --git a/admin/src/views/Withdrawals.vue b/admin/src/views/Withdrawals.vue
index 8e8ac7c..7d87bb6 100644
--- a/admin/src/views/Withdrawals.vue
+++ b/admin/src/views/Withdrawals.vue
@@ -97,7 +97,11 @@ async function handleAction(row, action) {
     ElMessage.success('操作成功')
     loadData()
   } catch (e) {
-    if (e !== 'cancel' && e?.toString() !== 'cancel') ElMessage.error(e?.response?.data?.message || '操作失败')
+    if (e !== 'cancel' && e?.toString() !== 'cancel') {
+      const data = e?.response?.data
+      const msg = data?.detail ? `${data.message}：${data.detail}` : (data?.message || '操作失败')
+      ElMessage.error({ message: msg, duration: 5000 })
+    }
   }
 }
 
@@ -111,7 +115,8 @@ function statusTagType(s) {
 
 function formatTime(str) {
   if (!str) return '-'
-  const d = new Date(str)
+  // 后端存的是UTC时间，确保正确解析为UTC再转本地时间
+  const d = new Date(typeof str === 'string' && !str.endsWith('Z') ? str + 'Z' : str)
   const pad = n => String(n).padStart(2, '0')
   return `${d.getFullYear()}-${pad(d.getMonth() + 1)}-${pad(d.getDate())} ${pad(d.getHours())}:${pad(d.getMinutes())}`
 }
diff --git a/miniapp/pages/help/help.vue b/miniapp/pages/help/help.vue
index 3360eb3..da99388 100644
--- a/miniapp/pages/help/help.vue
+++ b/miniapp/pages/help/help.vue
@@ -41,7 +41,7 @@
 			<view class="form-group">
 				<text class="form-label">3.商品总金额</text>
 				<view class="input-box">
-					<input v-model="form.goodsAmount" type="digit" placeholder="请输入代购商品总金额，包含可能存在的包装费等"
+					<input v-model="form.goodsAmount" type="digit" placeholder="若涉及代购，请输入代购商品总金额"
 						placeholder-class="placeholder" />
 				</view>
 			</view>
diff --git a/server/Endpoints/EarningEndpoints.cs b/server/Endpoints/EarningEndpoints.cs
index 5ca1479..1dd6c71 100644
--- a/server/Endpoints/EarningEndpoints.cs
+++ b/server/Endpoints/EarningEndpoints.cs
@@ -4,6 +4,7 @@ using CampusErrand.Models.Dtos;
 using CampusErrand.Helpers;
 using CampusErrand.Services;
 using Microsoft.EntityFrameworkCore;
+using System.Text.Json;
 
 namespace CampusErrand.Endpoints;
 
@@ -245,7 +246,25 @@ public static class EarningEndpoints
                 if (!transferResult.Success)
                 {
                     Console.WriteLine($"[提现] 转账失败: {transferResult.ErrorMessage}");
-                    return Results.BadRequest(new { code = 400, message = "转账失败，请稍后重试", detail = transferResult.ErrorMessage });
+                    // 解析微信错误信息，返回友好提示
+                    var friendlyMsg = "转账失败，请稍后重试";
+                    try
+                    {
+                        var errJson = JsonSerializer.Deserialize<JsonElement>(transferResult.ErrorMessage ?? "{}");
+                        var errCode = errJson.TryGetProperty("code", out var c) ? c.GetString() : "";
+                        var errMessage = errJson.TryGetProperty("message", out var m) ? m.GetString() : "";
+                        friendlyMsg = errCode switch
+                        {
+                            "NOT_ENOUGH" => "商户账户余额不足，请充值后重试",
+                            "NO_AUTH" => "没有转账权限，请检查商户平台配置",
+                            "PARAM_ERROR" => $"参数错误：{errMessage}",
+                            "INVALID_REQUEST" => $"请求无效：{errMessage}",
+                            "FREQUENCY_LIMIT_EXCEED" => "请求频率超限，请稍后重试",
+                            _ => $"转账失败：{errMessage}"
+                        };
+                    }
+                    catch { }
+                    return Results.BadRequest(new { code = 400, message = friendlyMsg });
                 }
 
                 // 保存转账信息，等待用户确认收款