update code

@@ -106,7 +106,7 @@ class Build {
 
         if(sh.ls(config.codeDir).indexOf(this.project.name) > -1) {
             update = true;
-            syncCodeScript = 'git submodule update';
+            syncCodeScript = `git pull origin ${self.branch}`;
         } else {
             syncCodeScript = `git submodule add -f ${this.project.gitlab}`;
         }
@@ -118,17 +118,11 @@ class Build {
 
             if (update) {
                 sh.cd(self.codePath);
-                var pullChild = sh.exec(`git pull origin ${self.branch}`, {
-                    silent: true
-                });
-
-                if (pullChild.code !== 0) {
-                    reject(new Error(`pull code fail`));
-                }
+            } else {
+                sh.cd(config.codeDir);
             }
 
             // 回到上级目录更新
-            sh.cd(config.codeDir);
 
             let child = sh.exec(syncCodeScript, {
                 silent: self.silent,