diff --git a/iot_upload.py b/iot_upload.py
index a7fd1a5..1cfc3ca 100644
--- a/iot_upload.py
+++ b/iot_upload.py
@@ -189,6 +189,15 @@ def calculate_md5(file_path):
 def build_the_current_windowsApp(name):
     the_current_windowsAppZIP="/drone/src/IOTContainer/" + os.getenv('DRONE_REPO_NAME') + '.' + os.getenv('version') + '.zip'
     the_last_windowsAppZIP = get_the_last_windowsAppZIP(name)
+
+    os.system('mkdir -p /tmp/a/ /tmp/b/ /tmp/IOTContainer/')
+    os.system('unzip -q ' + the_last_windowsAppZIP + ' -d /tmp/a/')
+    os.system('cd /tmp/a/ && tar -zcf diff.tgz ./')
+    os.system('unzip -q ' + the_current_windowsAppZIP + ' -d /tmp/b/')
+    os.system('cd /tmp/b/ && tar -zcf diff.tgz ./')
+    the_current_windowsAppTar='/tmp/a/diff.tgz'
+    the_last_windowsAppTar='/tmp/b/diff.tgz'
+
     if the_last_windowsAppZIP == None:
         print("初次上传,不比对zip,直接打包上传")
         platformAppAdd(the_current_windowsAppZIP, '.zip')
@@ -197,13 +206,10 @@ def build_the_current_windowsApp(name):
     else:
         print ("比对新老版本zip文件")
 
-        if calculate_md5(the_last_windowsAppZIP) == calculate_md5(the_current_windowsAppZIP):
+        if calculate_md5(the_current_windowsAppTar) == calculate_md5(the_last_windowsAppTar):
             print ("\033[34m比对结果: 程序版本无更新,流程终止\033[0m")
         else:
             print ("比对结果：程序版本已更新")
-            os.system('mkdir -p /tmp/a/ /tmp/b/ /tmp/IOTContainer/')
-            os.system('unzip ' + the_last_windowsAppZIP + ' -d /tmp/a/')
-            os.system('unzip ' + the_current_windowsAppZIP + ' -d /tmp/b/')
             os.system('/bin/sh -c /drone/src/zip_diff.sh')
             diff_zip='/tmp/IOTContainer/' + os.getenv('DRONE_REPO_NAME') + '.' + os.getenv('version') + '.zip'
             platformAppAdd(diff_zip, '.zip')
diff --git a/zip_diff.sh b/zip_diff.sh
index b1767b7..d014414 100644
--- a/zip_diff.sh
+++ b/zip_diff.sh
@@ -1,4 +1,4 @@
-
+rm -rf /tmp/a/diff.tgz /tmp/b/diff.tgz
 for i in $(diff -rq /tmp/a/ /tmp/b/ | grep Only | awk '{print $NF}')
 do
     mv /tmp/b/$i /tmp/IOTContainer/
@@ -12,5 +12,4 @@ ls -la
 zip_name=$DRONE_REPO_NAME.$(cat /drone/src/.tags).zip
 zip -q -r $zip_name ./
 
-
-cd -
\ No newline at end of file
+cd /drone/src/
\ No newline at end of file