diff --git a/src/org/redkale/mq/HttpMessageClient.java b/src/org/redkale/mq/HttpMessageClient.java
index f6236dc56..a203e8868 100644
--- a/src/org/redkale/mq/HttpMessageClient.java
+++ b/src/org/redkale/mq/HttpMessageClient.java
@@ -27,30 +27,29 @@ public class HttpMessageClient extends MessageClient {
 
     protected HttpMessageClient(MessageAgent messageAgent) {
         super(messageAgent);
-        this.respTopic = messageAgent.generateHttpRespTopic();
+        if (messageAgent != null) { // //RPC方式下无messageAgent
+            this.respTopic = messageAgent.generateHttpRespTopic();
+        }
     }
 
     //格式: http.req.user
     public String generateHttpReqTopic(String module) {
-        if (messageAgent == null) return null;  //RPC方式下无messageAgent
-        return messageAgent.generateHttpReqTopic(module);
+        return MessageAgent.generateHttpReqTopic(module);
     }
 
     //格式: http.req.user-n10
     public String generateHttpReqTopic(String module, String resname) {
-        if (messageAgent == null) return null;  //RPC方式下无messageAgent
-        return messageAgent.generateHttpReqTopic(module, resname);
+        return MessageAgent.generateHttpReqTopic(module, resname);
     }
 
     public String generateHttpReqTopic(HttpSimpleRequest request, String path) {
-        if (messageAgent == null) return null;  //RPC方式下无messageAgent
         String module = request.getRequestURI();
         if (path != null && !path.isEmpty() && module.startsWith(path)) module = module.substring(path.length());
         module = module.substring(1); //去掉/
         module = module.substring(0, module.indexOf('/'));
         Map<String, String> headers = request.getHeaders();
         String resname = headers == null ? "" : headers.getOrDefault(Rest.REST_HEADER_RESOURCE_NAME, "");
-        return messageAgent.generateHttpReqTopic(module, resname);
+        return MessageAgent.generateHttpReqTopic(module, resname);
     }
 
     public final void produceMessage(HttpSimpleRequest request) {
diff --git a/src/org/redkale/mq/MessageAgent.java b/src/org/redkale/mq/MessageAgent.java
index acaf0427f..4cb79ccb2 100644
--- a/src/org/redkale/mq/MessageAgent.java
+++ b/src/org/redkale/mq/MessageAgent.java
@@ -231,12 +231,12 @@ public abstract class MessageAgent {
     }
 
     //格式: http.req.user
-    public String generateHttpReqTopic(String module) {
+    public static String generateHttpReqTopic(String module) {
         return "http.req." + module.toLowerCase();
     }
 
     //格式: http.req.user
-    public String generateHttpReqTopic(String module, String resname) {
+    public static String generateHttpReqTopic(String module, String resname) {
         return "http.req." + module.toLowerCase() + (resname == null || resname.isEmpty() ? "" : ("-" + resname));
     }