1 files changed, 3 insertions, 0 deletions
diff --git a/src/main/java/com/juick/server/api/SystemActivity.java b/src/main/java/com/juick/server/api/SystemActivity.java
index 162374d1..5120049a 100644
--- a/src/main/java/com/juick/server/api/SystemActivity.java
+++ b/src/main/java/com/juick/server/api/SystemActivity.java
@@ -3,6 +3,7 @@ package com.juick.server.api;
 import com.juick.Message;
 import com.juick.User;
 
+import java.util.Collections;
 import java.util.List;
 
 public class SystemActivity {
@@ -28,8 +29,10 @@ public class SystemActivity {
         var read = new SystemActivity();
         read.setType(ActivityType.message);
         read.setFrom(from);
+        read.setTo(Collections.emptyList());
         var msg = new Message();
         msg.setMid(message.getMid());
+        msg.setUser(from);
         msg.setService(true);
         msg.setUnread(false);
         read.setMessage(msg);