diff --git a/libs/data.py b/libs/data.py
index 3b1f9a7..432f0a4 100644
--- a/libs/data.py
+++ b/libs/data.py
@@ -144,6 +144,8 @@ class Yuuki_Data:
 
     def getSEGroup(self, GroupID):
         SEMode = self.getGroup(GroupID)["SEGroup"]
+        if SEMode == None:
+            return None
         SEMode_ = {}
         for Mode in SEMode:
             SEMode_[int(Mode)] = SEMode[Mode]
diff --git a/libs/yuuki.py b/libs/yuuki.py
index ba10aaa..3df3e62 100644
--- a/libs/yuuki.py
+++ b/libs/yuuki.py
@@ -408,10 +408,13 @@ class Yuuki:
         NoWork = 0
         catchedNews = []
         ncMessage = Operation()
-        LastResetLimitTime = 0
+        LastResetLimitTime = time.localtime().tm_hour
         Revision = self.client.getLastOpRevision()
         while True:
             try:
+                if time.localtime().tm_hour != LastResetLimitTime:
+                    LastResetLimitTime = time.localtime().tm_hour
+                    self.limitReset()
                 if NoWork == 300:
                     Revision = self.client.getLastOpRevision()
                 catchedNews = self.listen.fetchOperations(Revision, 50)