diff --git a/core.py b/core.py
index 90b068a..02077d4 100644
--- a/core.py
+++ b/core.py
@@ -65,7 +65,7 @@ class GMCLCore(object):
         ''':Path The path of the dir you want to create'''
         if(os.path.isdir(Path)==False):
             os.mkdir(Path)
-            return self.Log("info","Successful.","MakeDir")
+            self.Log("info","Successful.","MakeDir")
         else:
             return self.Log("warn","Exist.","MakeDir")
     def SearchFile(self,Path,Tag,Num=1):
@@ -83,6 +83,7 @@ class GMCLCore(object):
                     break
             else:
                 pass
+        self.Log("info","Success.","SearchFile")
         return List
     def GetUUID(self,Account="Steve"):
         '''The function which was used to generate UUID'''
@@ -91,17 +92,21 @@ class GMCLCore(object):
             result="OfflinePlayer:"+Account
             md5=hashlib.md5()
             md5.update(result.encode(encoding='utf-8'))
+            self.Log("info","Success.","GetUUID")
             return md5.hexdigest()
         else:
-            return "Error:Wrong Auth Way."
+            return self.Log("warn","Wrong auth way","GetUUID")
     def GetJavaPath(self,Num=1):
         '''The function which was used to search java'''
         ''':Num How much result you want to get,you should set as "all" if you want to return all result,the default value is 1'''
         if(platform.system()=="Windows"):
+            self.Log("info","Success.","GetJavaPath")
             return self.SearchFile('C:\\','javaw.exe',Num)
         elif(platform.system()=="Linux"):
+            self.Log("info","Success.","GetJavaPath")
             return self.SearchFile('\\','java',Num)
         else:
+            self.Log("info","Success.","GetJavaPath")
             return self.SearchFile('\\','java',Num)
     def SetAccount(self,Account="Steve",Password=""):
         '''The function which was used to set game account data'''
@@ -114,17 +119,19 @@ class GMCLCore(object):
                     self.__Token=result['accessToken']
                     self.__UUID=result['selectedProfile']['id']
                     self.__ID=result['selectedProfile']['name']
+                    self.Log("info","Success.","GetAccount")
                 else:
-                    return "Error:Fail to request Mojang\'s Auth Server."
+                    return Log("warn","Fail to request Mojang\'s auth server.","SetAccount")
             else:
-                return "Error:Wrong Account."
+                return Log("warn","Wrong Account.","SetAccount")
         elif(self.__AuthWay=="offline"):
             if(Account.count("@")==1):
-                return "Error:Wrong Account."
+                return Log("warn","Wrong Account.","SetAccount")
             else:
                 self.__ID=Account
                 self.__UUID=self.GetUUID(Account)
                 self.__Token=""
+                self.Log("info","Success.","GetAccount")
         else:
             pass
     def SetAuthWay(self,AuthWay):