diff --git a/safesite/views.py b/safesite/views.py
index cfc98324..ba899f77 100644
--- a/safesite/views.py
+++ b/safesite/views.py
@@ -3542,8 +3542,14 @@ def bwlogin(req):
 
 def unbindwechat(req):
     userid = req.session['userid']
-    User.objects.filter(userid=userid).update(
-        openid=None, headimgurl=None, nickname=None, mpopenid=None)
+    user = User.objects.get(userid=userid)
+    if user.mpopenid:
+        User.objects.filter(mpopenid=user.mpopenid).update(openid=None,headimgurl=None, nickname=None, mpopenid=None)
+    user.openid=None
+    user.headimgurl=None
+    user.nickname=None
+    user.mpopenid=None
+    user.save()
     return JsonResponse({"code": 1})
 
 
@@ -3581,8 +3587,9 @@ def mplogin(req):
     info = json.loads(info)
     mpopenid = info['openid']
     session_key = info['session_key']
-    if User.objects.filter(mpopenid=mpopenid).exists():
-        a = User.objects.get(mpopenid=mpopenid)
+    objs = User.objects.filter(mpopenid=mpopenid)
+    if objs.exists():
+        a = objs[0]
         userid = a.userid
         username = a.username
         req.session['userid'] = userid