diff --git a/lib/common.py b/lib/common.py
index 25d7089..3ef71dd 100644
--- a/lib/common.py
+++ b/lib/common.py
@@ -45,6 +45,15 @@ class WorkPlace():
             data['date[current]'] = 'on'
         return data
 
+    @classmethod
+    def from_dict(cls,data:dict):
+        self = cls()
+        for k,v in data.items():
+            if hasattr(self,k):
+                setattr(self,k,v)
+        return self
+
+
 
 @attrs(cmp=False)
 class College():
diff --git a/lib/facebook.py b/lib/facebook.py
index af045a9..dbc0bf9 100644
--- a/lib/facebook.py
+++ b/lib/facebook.py
@@ -156,7 +156,10 @@ class RequestSource():
     @classmethod
     def get(cls, channel):
         if isinstance(channel, str):
-            channel = int(channel)
+            try:
+                channel = int(channel)
+            except:
+                pass
         return cls.const.get(channel, channel)