Set default messageType to NORMAL

src/main/java/org/apache/rocketmq/dashboard/model/request/TopicConfigInfo.java

@@ -99,7 +99,7 @@ public class TopicConfigInfo {
     }
 
     public void setMessageType(TopicConfig topicConfig) {
-        this.messageType = topicConfig.getAttributes().getOrDefault("message.type", "");
+        this.messageType = topicConfig.getAttributes().getOrDefault("message.type", "NORMAL");
     }
 
     @Override

src/main/resources/static/src/topic.js

@@ -333,7 +333,7 @@ module.controller('topicController', ['$scope', 'ngDialog', '$http', 'Notificati
                 perm: 6,
                 order: false,
                 topicName: "",
-                messageType: "",
+                messageType: "NORMAL",
                 brokerNameList: []
             }];
             bIsUpdate = false;