diff --git a/broker/src/main/java/com/xiaoleilu/loServer/action/admin/CreateChatroomAction.java b/broker/src/main/java/com/xiaoleilu/loServer/action/admin/CreateChatroomAction.java
index 8b30f0126..a0cef5d09 100755
--- a/broker/src/main/java/com/xiaoleilu/loServer/action/admin/CreateChatroomAction.java
+++ b/broker/src/main/java/com/xiaoleilu/loServer/action/admin/CreateChatroomAction.java
@@ -48,10 +48,6 @@ public boolean action(Request request, Response response) {
                     inputCreateChatroom.setChatroomId(messagesStore.getShortUUID());
                 }
 
-                if (inputCreateChatroom.getPortrait() == null || inputCreateChatroom.getPortrait().length() == 0) {
-                    inputCreateChatroom.setPortrait("https://avatars.io/gravatar/" + inputCreateChatroom.getChatroomId());
-                }
-
                 WFCMessage.ChatroomInfo info = inputCreateChatroom.toChatroomInfo();
                 messagesStore.createChatroom(inputCreateChatroom.getChatroomId(), info);
                 setResponseContent(RestResult.ok(new OutputCreateChatroom(inputCreateChatroom.getChatroomId())), response);
diff --git a/broker/src/main/java/com/xiaoleilu/loServer/action/admin/CreateRobotAction.java b/broker/src/main/java/com/xiaoleilu/loServer/action/admin/CreateRobotAction.java
index 2c1644d52..89a303ab6 100755
--- a/broker/src/main/java/com/xiaoleilu/loServer/action/admin/CreateRobotAction.java
+++ b/broker/src/main/java/com/xiaoleilu/loServer/action/admin/CreateRobotAction.java
@@ -49,10 +49,6 @@ public boolean action(Request request, Response response) {
                     inputCreateRobot.setUserId(messagesStore.getShortUUID());
                 }
 
-                if (inputCreateRobot.getPortrait() == null || inputCreateRobot.getPortrait().length() == 0) {
-                    inputCreateRobot.setPortrait("https://avatars.io/gravatar/" + inputCreateRobot.getUserId());
-                }
-
                 WFCMessage.User newUser = inputCreateRobot.toUser();
                 try {
                     messagesStore.addUserInfo(newUser);