diff --git a/src/SimpleAdmin.Api/WeChat/WeChatMpCallbackSupport.cs b/src/SimpleAdmin.Api/WeChat/WeChatMpCallbackSupport.cs
index eb80f40..98d0ef3 100644
--- a/src/SimpleAdmin.Api/WeChat/WeChatMpCallbackSupport.cs
+++ b/src/SimpleAdmin.Api/WeChat/WeChatMpCallbackSupport.cs
@@ -15,9 +15,10 @@ internal static class WeChatMpCallbackSupport
         string? nonce,
         string? echostr)
     {
+        // 微信服务器要求 HTTP 200 + 纯文本 echostr，不可抛 BusinessException（会变成 JSON 非 200）
         if (string.IsNullOrWhiteSpace(options.Value.Token))
         {
-            throw new BusinessException("未配置微信公众号 Token");
+            return PlainText("error");
         }
 
         if (string.IsNullOrWhiteSpace(signature)
@@ -90,8 +91,8 @@ internal static class WeChatMpCallbackSupport
     }
 
     private static ContentResult PlainText(string content) =>
-        new() { Content = content, ContentType = "text/plain; charset=utf-8" };
+        new() { Content = content, ContentType = "text/plain; charset=utf-8", StatusCode = StatusCodes.Status200OK };
 
     private static ContentResult Xml(string content) =>
-        new() { Content = content, ContentType = "application/xml; charset=utf-8" };
+        new() { Content = content, ContentType = "application/xml; charset=utf-8", StatusCode = StatusCodes.Status200OK };
 }