diff --git a/app.py b/app.py
index a8bf2aa..b6a4569 100644
--- a/app.py
+++ b/app.py
@@ -24,6 +24,7 @@ def getRedisConn(self):
                     self.redisConn = redisConn
                 return self.redisConn
             except:
+                print("can not connect to redis.")
                 self.redisConn = None
         def getSMTPConn(self):
             try:
diff --git a/models.py b/models.py
index cd6ee82..15a76df 100644
--- a/models.py
+++ b/models.py
@@ -79,7 +79,6 @@ def getAccessToken(self):
         try:
             accessToken = yield tornado.gen.Task(self.__redis.get, redisKeys["WXQY_ACCESS_TOKEN"])
         except Exception as e:
-            print(str(e))
             accessToken = ""
         if not accessToken:
             accessToken = yield self.refreshToken()