diff --git a/Example.py b/Example.py
new file mode 100644
index 0000000..78e59a5
--- /dev/null
+++ b/Example.py
@@ -0,0 +1,3 @@
+from GMCLCore import *
+launcher=GMCLCore()
+launcher.PrintAllLog()
\ No newline at end of file
diff --git a/core.py b/GMCLCore.py
similarity index 88%
rename from core.py
rename to GMCLCore.py
index 81da762..e33735b 100644
--- a/core.py
+++ b/GMCLCore.py
@@ -1,7 +1,6 @@
 #------------------#
 import os,requests,json,time,sys,psutil,string,platform,glob,getpass,shutil,hashlib,random,subprocess,math,zipfile,threading
 #------------------#
-
 class GMCLCore(object):
     '''The Main Class of the Launcher Core'''
     #-----------------------------------------------------------------------#
@@ -17,7 +16,7 @@ class GMCLCore(object):
         self.__AuthWay=""
         self.__AutoLogOutput=False
         self.__AutoLogPrint=False
-        self.__MultiThreadDownload=False
+        self.__AriaDownload=False
         self.Log("info","Successful.","__init__")
     #-----------------------------------------------------------------------#
     #Log Functions
@@ -84,48 +83,49 @@ class GMCLCore(object):
         self.Log("info","Successful.","DisableAutoLogPrint")
     #-----------------------------------------------------------------------#
     #Download Functions
-    def Download(self,DownloadFrom,DownloadTo,ThreadNum=20):
+    def Download(self,DownloadFrom,DownloadTo):
         '''The multi-thread download function'''
         ''':DownloadFrom The online url for the file'''
         ''':DownloadTo The local path for the file'''
-        ''':ThreadNum The number of the thread,the default value is 20'''
         if(DownloadFrom=="" or DownloadTo==""):
             self.Log("warn","Wrong online address or local address for download.","Download")
         else:
             StartTime=time.time()
             FileSize=int(requests.head(DownloadFrom,headers=self.__UserAgent).headers['Content-Length'])
-            if(self.__MultiThreadDownload==True):
+            if(self.__AriaDownload==True):
                 if(platform.system()=="Windows"):
-                    if(os.path.isfile("aria2c.exe")):
-                        os.system("aria2c.exe -o "+DownloadTo+" "+DownloadFrom+" -U \""+self.__UserAgent['User-Agent']+"\"")
+                    if(os.path.isfile(self.__LauncherName+"\\rely\\"+"aria2c.exe")):
+                        os.system(self.__LauncherName+"\\rely\\"+"aria2c.exe -o "+DownloadTo+" "+DownloadFrom+" -U \""+self.__UserAgent['User-Agent']+"\"")
                     else:
-                        self.Log("warn","Missed Aria2C.","Download")
-                        self.DownloadAria2CWin()
-                        os.system("aria2c.exe -o "+DownloadTo+" "+DownloadFrom+" -U \""+self.__UserAgent['User-Agent']+"\"")
+                        self.Log("warn","Missed Aria.","Download")
+                        self.DownloadAriaWin()
+                        os.system(self.__LauncherName+"\\rely\\"+"aria2c.exe -o "+DownloadTo+" "+DownloadFrom+" -U \""+self.__UserAgent['User-Agent']+"\"")
                 else:
-                    os.system("aria2c.exe -o "+DownloadTo+" "+DownloadFrom+" -U \""+self.__UserAgent['User-Agent']+"\"")
+                    os.system(self.__LauncherName+"\\rely\\"+"aria2c.exe -o "+DownloadTo+" "+DownloadFrom+" -U \""+self.__UserAgent['User-Agent']+"\"")
             else:
                 with open(DownloadTo,"wb") as FileObject:
                     FileObject.write(requests.get(DownloadFrom).content)
             self.Log("info","Success.","Download")
             return (str(time.time()-StartTime),FileSize // (time.time()-StartTime))
-    def DownloadAria2CWin(self):
-        '''The function which was used to download Aria2C environment for windows'''
+    def DownloadAriaWin(self):
+        '''The function which was used to download Aria environment for windows'''
+        if(os.path.isdir(self.__LauncherName+"\\rely")==False):
+            self.MakeDir(self.__LauncherName+"\\rely")
         if(os.path.isdir("C:\\Program Files (x86)")):                            
-            with open("aria2c.exe","wb") as FileObject:
+            with open(self.__LauncherName+"\\rely\\"+"aria2c.exe","wb") as FileObject:
                 FileObject.write(requests.get("https://resource.ghink.net/aria2c/win64/aria2c.exe",headers=self.__UserAgent).content)
         else:
-            with open("aria2c.exe","wb") as FileObject:
+            with open(self.__LauncherName+"\\rely\\"+"aria2c.exe","wb") as FileObject:
                 FileObject.write(requests.get("https://resource.ghink.net/aria2c/win32/aria2c.exe",headers=self.__UserAgent).content)
-        self.Log("info","Success.","DownloadAria2CWin")
-    def EnableMultiThreadDownload(self):
-        '''The function which was used to enable the function of multi-thread download'''
-        self.__MultiThreadDownload=True
-        self.Log("info","Successful.","EnableMultiThreadDownload")
-    def DisableMultiThreadDownload(self):
-        '''The function which was used to disable the function of multi-thread download'''
-        self.__MultiThreadDownload=False
-        self.Log("info","Successful.","DisbleMultiThreadDownload")
+        self.Log("info","Success.","DownloadAriaWin")
+    def EnableAriaDownload(self):
+        '''The function which was used to enable the function of Aria download'''
+        self.__AriaDownload=True
+        self.Log("info","Successful.","EnableAriaDownload")
+    def DisableAriaDownload(self):
+        '''The function which was used to disable the function of Aria download'''
+        self.__AriaDownload=False
+        self.Log("info","Successful.","DisbleAriaDownload")
     #-----------------------------------------------------------------------#
     #File and Dir Functions
     def MakeDir(self,Path):
diff --git a/Test.py b/Test.py
new file mode 100644
index 0000000..b9b7b33
--- /dev/null
+++ b/Test.py
@@ -0,0 +1,8 @@
+from GMCLCore import *
+launcher=GMCLCore()
+
+launcher.EnableAriaDownload()
+launcher.EnableAutoLogPrint()
+launcher.Download("http://mirrors.163.com/kali-images/kali-weekly/kali-linux-2020-W47-installer-netinst-i386.iso","test.iso")
+
+launcher.PrintAllLog()
\ No newline at end of file