diff --git a/document/contact/weixin_contact.jpg b/document/contact/weixin_contact.jpg
index 4339826..57485bf 100644
Binary files a/document/contact/weixin_contact.jpg and b/document/contact/weixin_contact.jpg differ
diff --git a/src/main/scala/kafka/console/KafkaConsole.scala b/src/main/scala/kafka/console/KafkaConsole.scala
index 33d1345..cd8414c 100644
--- a/src/main/scala/kafka/console/KafkaConsole.scala
+++ b/src/main/scala/kafka/console/KafkaConsole.scala
@@ -63,6 +63,7 @@ class KafkaConsole(config: KafkaConfig) {
             case er: Exception => eh(er)
         }
         finally {
+            ConsumerCache.clearProperties()
             if (!config.isCacheConsumerConnection) {
                 consumer.close()
             }
@@ -252,7 +253,7 @@ object ConsumerCache {
         threadLocal.set(props)
     }
 
-    def clear() : Unit = {
+    def clearProperties() : Unit = {
         threadLocal.remove()
     }
 }
\ No newline at end of file