diff --git a/android/src/main/java/io/openim/flutter_openim_sdk/manager/FriendshipManager.java b/android/src/main/java/io/openim/flutter_openim_sdk/manager/FriendshipManager.java
index fc6d90b..5c00f36 100644
--- a/android/src/main/java/io/openim/flutter_openim_sdk/manager/FriendshipManager.java
+++ b/android/src/main/java/io/openim/flutter_openim_sdk/manager/FriendshipManager.java
@@ -20,7 +20,7 @@ public class FriendshipManager {
     }
 
     public void getFriendsInfo(MethodCall methodCall, MethodChannel.Result result) {
-        Open_im_sdk.getFriendsInfo(new BaseImpl(result), CommonUtil.getSDKJsonParam(methodCall));
+        Open_im_sdk.getFriendsInfo(new BaseImpl(result), CommonUtil.getUidList(methodCall));
     }
 
     public void addFriend(MethodCall methodCall, MethodChannel.Result result) {
@@ -40,7 +40,7 @@ public class FriendshipManager {
     }
 
     public void addToBlackList(MethodCall methodCall, MethodChannel.Result result) {
-        Open_im_sdk.addToBlackList(new BaseImpl(result), CommonUtil.getSDKJsonParam(methodCall));
+        Open_im_sdk.addToBlackList(new BaseImpl(result), CommonUtil.getJsonUid(methodCall));
     }
 
     public void getBlackList(MethodCall methodCall, MethodChannel.Result result) {
@@ -48,23 +48,23 @@ public class FriendshipManager {
     }
 
     public void deleteFromBlackList(MethodCall methodCall, MethodChannel.Result result) {
-        Open_im_sdk.deleteFromBlackList(new BaseImpl(result), CommonUtil.getSDKJsonParam(methodCall));
+        Open_im_sdk.deleteFromBlackList(new BaseImpl(result), CommonUtil.getJsonUid(methodCall));
     }
 
     public void checkFriend(MethodCall methodCall, MethodChannel.Result result) {
-        Open_im_sdk.checkFriend(new BaseImpl(result), CommonUtil.getSDKJsonParam(methodCall));
+        Open_im_sdk.checkFriend(new BaseImpl(result), CommonUtil.getUidList(methodCall));
     }
 
     public void deleteFromFriendList(MethodCall methodCall, MethodChannel.Result result) {
-        Open_im_sdk.deleteFromFriendList(CommonUtil.getSDKJsonParam(methodCall), new BaseImpl(result));
+        Open_im_sdk.deleteFromFriendList(CommonUtil.getJsonUid(methodCall), new BaseImpl(result));
     }
 
     public void acceptFriendApplication(MethodCall methodCall, MethodChannel.Result result) {
-        Open_im_sdk.acceptFriendApplication(new BaseImpl(result), CommonUtil.getSDKJsonParam(methodCall));
+        Open_im_sdk.acceptFriendApplication(new BaseImpl(result), CommonUtil.getJsonUid(methodCall));
     }
 
     public void refuseFriendApplication(MethodCall methodCall, MethodChannel.Result result) {
-        Open_im_sdk.refuseFriendApplication(new BaseImpl(result), CommonUtil.getSDKJsonParam(methodCall));
+        Open_im_sdk.refuseFriendApplication(new BaseImpl(result), CommonUtil.getJsonUid(methodCall));
     }
 
     public void forceSyncFriendApplication(MethodCall methodCall, MethodChannel.Result result) {
diff --git a/android/src/main/java/io/openim/flutter_openim_sdk/manager/IMManager.java b/android/src/main/java/io/openim/flutter_openim_sdk/manager/IMManager.java
index b47ab80..7aca1c4 100644
--- a/android/src/main/java/io/openim/flutter_openim_sdk/manager/IMManager.java
+++ b/android/src/main/java/io/openim/flutter_openim_sdk/manager/IMManager.java
@@ -37,7 +37,7 @@ public class IMManager {
     }
 
     public void getUsersInfo(MethodCall methodCall, MethodChannel.Result result) {
-        Open_im_sdk.getUsersInfo(CommonUtil.getSDKJsonParam(methodCall), new BaseImpl(result));
+        Open_im_sdk.getUsersInfo(CommonUtil.getUidList(methodCall), new BaseImpl(result));
     }
 
     public void setSelfInfo(MethodCall methodCall, MethodChannel.Result result) {
diff --git a/android/src/main/java/io/openim/flutter_openim_sdk/util/CommonUtil.java b/android/src/main/java/io/openim/flutter_openim_sdk/util/CommonUtil.java
index 1970761..95fde03 100644
--- a/android/src/main/java/io/openim/flutter_openim_sdk/util/CommonUtil.java
+++ b/android/src/main/java/io/openim/flutter_openim_sdk/util/CommonUtil.java
@@ -124,6 +124,10 @@ public class CommonUtil {
         return getParamValue(methodCall, KEY_LOGIN_UID);
     }
 
+    public static String getJsonUid(MethodCall methodCall) {
+        return JsonUtil.toString(getParamValue(methodCall, KEY_LOGIN_UID));
+    }
+
     public static String getToken(MethodCall methodCall) {
         return getParamValue(methodCall, KEY_LOGIN_TOKEN);
     }
@@ -247,6 +251,11 @@ public class CommonUtil {
         return getParamValue(methodCall, KEY_CONVERSATION_PINNED);
     }
 
+    public static String getUidList(MethodCall methodCall) {
+        return getSDKJsonParam(methodCall, KEY_USER_IDS);
+    }
+
+
     //login
     final static String KEY_LOGIN_UID = "uid";
     final static String KEY_LOGIN_TOKEN = "token";
@@ -283,4 +292,6 @@ public class CommonUtil {
     final static String KEY_CONVERSATION_IDS = "conversationIDList";
     final static String KEY_CONVERSATION_DRAFT = "draftText";
     final static String KEY_CONVERSATION_PINNED = "isPinned";
+    // user info
+    final static String KEY_USER_IDS = "uidList";
 }