From 22708caaaa6a1b237f0ccb60a1e46329da9c550f Mon Sep 17 00:00:00 2001
From: heavyrian2012 <heavyrain.lee@wildfirehat.cn>
Date: Tue, 22 Feb 2022 15:29:53 +0800
Subject: [PATCH] =?UTF-8?q?=E4=B8=8D=E8=83=BD=E5=8F=8D=E5=A4=8D=E6=92=A4?=
 =?UTF-8?q?=E5=9B=9E=E6=B6=88=E6=81=AF?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../java/io/moquette/persistence/MemoryMessagesStore.java     | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/broker/src/main/java/io/moquette/persistence/MemoryMessagesStore.java b/broker/src/main/java/io/moquette/persistence/MemoryMessagesStore.java
index 6fe0d8ff..f8dec125 100755
--- a/broker/src/main/java/io/moquette/persistence/MemoryMessagesStore.java
+++ b/broker/src/main/java/io/moquette/persistence/MemoryMessagesStore.java
@@ -2077,6 +2077,10 @@ public class MemoryMessagesStore implements IMessagesStore {
             if (!canRecall) {
                 return ErrorCode.ERROR_CODE_NOT_RIGHT;
             }
+            
+            if(message.getContent().getType() == 80) {
+                return ErrorCode.ERROR_CODE_SUCCESS;
+            }
 
             JSONObject json = new JSONObject();
             json.put("s", message.getFromUser());