增加消息服务属性

APP/src/message/%APP_MSG%/%APP_MSG%-message-base.ts.ftl

@@ -35,6 +35,8 @@ export default class ${srfclassname('${item.getCodeName()}')}MessageServiceBase
         this.position = "<#if item.getPosition()??>${item.getPosition()}</#if>";
         this.type = "${item.getMessageType()}";
         this.isdefault = true;
+        this.isEnableRemove = true;
+        this.dynamicMode = "STATIC";
     }
 
 }
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