diff --git a/g/database/gkafka/gkafka.go b/g/database/gkafka/gkafka.go
index dbd596017..16981fdaa 100644
--- a/g/database/gkafka/gkafka.go
+++ b/g/database/gkafka/gkafka.go
@@ -96,23 +96,22 @@ func (client *Client) Close() {
 }
 
 // Get all topics from kafka server.
+// 这里创建独立的消费客户端获取topics，获取完之后销毁该客户端对象。
 func (client *Client) Topics() ([]string, error) {
-    if client.rawConsumer == nil {
-        if c, err := sarama.NewConsumer(strings.Split(client.Config.Servers, ","), &client.Config.Config); err != nil {
-            return nil, err
-        } else {
-            client.rawConsumer = c
-        }
-    }
-    if topics, err := client.rawConsumer.Topics(); err == nil {
-        for k, v := range topics {
-            if _, ok := ignoreTopics[v]; ok {
-                topics = append(topics[ : k], topics[k + 1 : ]...)
-            }
-        }
-        return topics, nil
-    } else {
+    if c, err := sarama.NewConsumer(strings.Split(client.Config.Servers, ","), &client.Config.Config); err != nil {
         return nil, err
+    } else {
+        if topics, err := c.Topics(); err == nil {
+            for k, v := range topics {
+                if _, ok := ignoreTopics[v]; ok {
+                    topics = append(topics[ : k], topics[k + 1 : ]...)
+                }
+            }
+            c.Close()
+            return topics, nil
+        } else {
+            return nil, err
+        }
     }
 }