Merge pull request #91 in DESIGN/design from ~JU/design:feature/10.0 to feature/10.0

* commit '49f2685bfb99d1d27a22b245a16f91bae12cc937':
  CORE-76 Activator重复启动内置服务器、切换环境的支持 还不行，有深层次的原因。。

designer-base/src/com/fr/env/SignIn.java

@@ -37,7 +37,7 @@ public class SignIn {
     
         if (EnvContext.currentEnv() != null && !ComparatorUtils.equals(EnvContext.currentEnv(), selectedEnv)) {
             EnvContext.signOut();
-            DesignUtils.switchToEnv(selectedEnv);
         }
+        DesignUtils.switchToEnv(selectedEnv);
     }
 }