diff --git a/New_College.Api/Controllers/OAuthController.cs b/New_College.Api/Controllers/OAuthController.cs
index 6d5f919..caaa41f 100644
--- a/New_College.Api/Controllers/OAuthController.cs
+++ b/New_College.Api/Controllers/OAuthController.cs
@@ -63,7 +63,7 @@ namespace New_College.Controllers
                     Encoding.UTF8, "application/json"));//
             if (userinfo != null && userinfo.code == 200 && userinfo.type == "success")
             {
-                var user = (await _CustomerInfoServices.Query(q => q.GZOpenId == userinfo.result.OpenId)).FirstOrDefault();
+                var user = (await _CustomerInfoServices.Query(q => q.UUID == userinfo.result.UnionId)).FirstOrDefault();//判断移动端是否已完成unionid替换
                 if (user == null)
                 {
                     //没有用户则注册一个新用户
@@ -87,9 +87,10 @@ namespace New_College.Controllers
                 }
                 else
                 {
-                    user.UUID = userinfo.result.UnionId;
+                    user.UUID = userinfo.result?.UnionId;
+                    user.GZOpenId = userinfo.result?.OpenId;
                     user.ModifyTime = DateTime.UtcNow;
-                    if (!string.IsNullOrEmpty(userinfo.result.Mobile)&&string.IsNullOrEmpty(user.Phone))
+                    if (!string.IsNullOrEmpty(userinfo.result.Mobile) && string.IsNullOrEmpty(user.Phone))
                     {
                         user.Phone = userinfo.result.Mobile;
                     }