fixed interval set exception

addons/EGFramework/Module/EGMessage.cs

@@ -85,9 +85,11 @@ namespace EGFramework
 
         public void SetDelay(int millisecond){
             this.SendDelay = millisecond;
+            if(millisecond != 0){
                 RequestTimer.Interval = millisecond;
             }
         }
+    }
     
     #region interface
     public interface IResponse