REPORT-134321 【fr-fbp回归】设计器和服务器网络不通，远程报错未知错误

designer-base/src/main/java/com/fr/design/EnvChangeEntrance.java

@@ -180,8 +180,9 @@ public class EnvChangeEntrance {
     private boolean doSwitch2Env(final String envName, PopTipStrategy strategy) {
 
         DesignerWorkspaceInfo selectedEnv = getSelectedEnv(envName);
-        EnvBackupHelper.getInstance().backup();
+
         try {
+            EnvBackupHelper.getInstance().backup();
             Workspace workspace = DesignerWorkspaceGenerator.generate(selectedEnv);
             if (notValid(workspace, selectedEnv)) {
                 return false;