no message

client/src/main/java/org/apache/rocketmq/client/consumer/MQPushConsumer.java

@@ -55,9 +55,9 @@ public interface MQPushConsumer extends MQConsumer {
     void subscribe(final String topic, final String subExpression) throws MQClientException;
 
     /**
-     * This method will be removed in the version 5.0.0，because filterServer was removed,and method <code>subscribe(final String topic, final MessageSelector messageSelector)</code>
+     * This method will be removed in the version 5.0.0,because filterServer was removed,and method <code>subscribe(final String topic, final MessageSelector messageSelector)</code>
      * is recommended.
-     * 
+     *
      * Subscribe some topic
      *
      * @param fullClassName full class name,must extend org.apache.rocketmq.common.filter. MessageFilter

client/src/main/java/org/apache/rocketmq/client/impl/factory/MQClientInstance.java

@@ -721,7 +721,7 @@ public class MQClientInstance {
         return false;
     }
     /**
-     * This method will be removed in the version 5.0.0，because filterServer was removed,and method <code>subscribe(final String topic, final MessageSelector messageSelector)</code>
+     * This method will be removed in the version 5.0.0,because filterServer was removed,and method <code>subscribe(final String topic, final MessageSelector messageSelector)</code>
      * is recommended.
      */
     @Deprecated