FIX PUT BUG!

Author: sgxiang

Diff for: YTKKeyValueStore/YTKKeyValueStore/YTKTable.swift

@@ -81,9 +81,9 @@ public struct YTKTable{
 
         if let filter =  self.query?.filter(ID == set.objectId).limit(1){
             if filter.isEmpty{
-                return self.query!.insert(ID <- set.objectId , JSON <- jsonString! , CREATEDTIME <- NSDate())
+                return filter.insert(ID <- set.objectId , JSON <- jsonString! , CREATEDTIME <- NSDate())
             }else{
-                return self.query!.update(JSON <- jsonString! , CREATEDTIME <- NSDate() )
+                return filter.update(JSON <- jsonString! , CREATEDTIME <- NSDate() )
             }
         }
         return nil
@@ -130,4 +130,4 @@ public struct YTKTable{
     }
 
 
-}
+}