diff --git a/Makefile b/Makefile
index 83637bb..12ce435 100644
--- a/Makefile
+++ b/Makefile
@@ -2,20 +2,32 @@
 
 APPPATH=./app/build/outputs/apk/release
 BUILDAPK=app-release.apk
-SIGNAPK=app_sign.apk
+SIGNAPK=posa711dali.apk
+GRADLE=./gradlew
+ZIP=zip
+SALT_KEY=.sign_salt
+SIGN_FILE=hash256.sign
+
+OS=$(shell uname)
+
+ifneq (,$(findstring MINGW,$(OS)))
+GRADLE=gradlew.bat
+else
+GRADLE=./gradlew
+endif
+
+VERSION=$(shell git describe --abbrev=4 --dirty --always --tags)
 
 apk:
 	@echo "build app apk!"
-	gradlew app:assembleRelease
+	$(GRADLE) app:assembleRelease
 	@echo "build android sign apk"
-	java -jar signapk.jar platform.x509.pem platform.pk8 $(APPPATH)/$(BUILDAPK) $(APPPATH)/$(SIGNAPK)
-	@echo "build upgrade zip"
-	python upgrade.py $(APPPATH)/$(SIGNAPK)
+	java -jar signapk.jar platform.x509.pem platform.pk8 $(APPPATH)/$(BUILDAPK) $(APPPATH)/$(SIGNAPK)	
+	@echo "build upgrade app zip"
+	cat $(APPPATH)/$(SIGNAPK) $(SALT_KEY) | sha256sum - | cut -d' ' -f 1 | tr -d '\n' > $(APPPATH)/$(SIGN_FILE)
+	cd $(APPPATH) && $(ZIP) posa711-$(VERSION).zip $(SIGN_FILE) $(SIGNAPK)
+
 clean:
 	@echo "remove build cache apk!"
-	rm -rf $(APPPATH)/$(BUILDAPK)
-	rm -rf $(APPPATH)/$(SIGNAPK)
-	rm -rf $(APPPATH)/hash256.sign
-	rm -rf $(APPPATH)/output.json
+	cd $(APPPATH) && rm -rf *.apk *.json *.sign
 	@echo "remove build cache file success"
-
diff --git a/upgrade.py b/upgrade.py
deleted file mode 100644
index 957fed9..0000000
--- a/upgrade.py
+++ /dev/null
@@ -1,51 +0,0 @@
-#coding=utf-8
-#使用python做升级文件打包
-
-import hashlib
-import sys
-import zipfile
-from os import path
-import subprocess
-
-hashFileName = 'hash256.sign'
-
-	
-def sha256_checknum(apk):
-	hash256 = hashlib.sha256()
-	srcFile = open(apk,'rb')
-	with srcFile as f:
-		for block in iter(lambda:f.read(4096),b''):
-			hash256.update(block);
-	srcFile.close()
-	hash256.update(b'nzoqPYMIu91VViA/mEIG5FtJXi8=')
-	
-	hashFile = path.dirname(apk)+'/'+hashFileName
-	print('hashFile = '+hashFile)
-	destFile = open(hashFile,'w+')
-	destFile.write(hash256.hexdigest())
-	destFile.close()
-	
-def zip_file(apk):
-	fileDir = path.dirname(apk)
-	version = subprocess.check_output(['git', 'describe', '--abbrev=4','--dirty','--always','--tags']).strip().decode('utf-8')
-	zipFile = fileDir+'/posa711dali'+'-'+version+'.zip'
-	print('zipFile = '+zipFile)
-	
-	zf = zipfile.ZipFile(zipFile,'w',zipfile.ZIP_DEFLATED)
-	zf.write(fileDir+'/'+hashFileName,hashFileName)
-	zf.write(apk,'posa711dali.apk')
-	zf.close()
-
-if __name__ == '__main__':
-	if len(sys.argv) < 2:
-		print('miss parameter:app path!!!')
-		exit(1)
-	appFile = sys.argv[1]
-	print('appFile = ' + appFile)
-	
-	if not path.exists(appFile):
-		print(appFile +' is not exist')
-		exit()
-	sha256_checknum(appFile)
-	zip_file(appFile)
-	print('build upgrade zip success!')
\ No newline at end of file