Modify syntax error.

pipeline_Python_CD.txt

@@ -51,7 +51,7 @@ node('docker'){    //pipeline运行的节点，srp的部署都是在docker上面
 				if(DeployVersion==""){
 					sh 'git describe --tags `git rev-list --tags --max-count=1`>newestTag.txt'  
 				    TagName=readFile("newestTag.txt")
-					DeployVersion=TagName.tokenize('_')[1].tokenize()[0]
+					DeployVersion=TagName.tokenize('-')[1].tokenize()[0]
 				}else{
 					TagName="v-${DeployVersion}"
 				}