diff --git a/Lagrange.Core/Internal/Context/Logic/Implementation/CachingLogic.cs b/Lagrange.Core/Internal/Context/Logic/Implementation/CachingLogic.cs
index c47991f80..41eeb06aa 100644
--- a/Lagrange.Core/Internal/Context/Logic/Implementation/CachingLogic.cs
+++ b/Lagrange.Core/Internal/Context/Logic/Implementation/CachingLogic.cs
@@ -72,22 +72,12 @@ public Task<List<BotGroup>> GetCachedGroups()
         return _uinToUid.TryGetValue(friendUin, out var uid) ? uid : null;
     }
     
-    public async Task<uint?> ResolveUin(uint? groupUin, string friendUid)
+    public async Task<uint?> ResolveUin(uint? groupUin, string friendUid, bool force = false)
     {
         if (_uinToUid.Count == 0) await ResolveFriendsUid();
         if (groupUin == null) return _uinToUid.FirstOrDefault(x => x.Value == friendUid).Key;
         
-        await CacheUid(groupUin.Value);
-
-        return _uinToUid.FirstOrDefault(x => x.Value == friendUid).Key;
-    }
-    
-    public async Task<uint?> ForceResolveUint(uint? groupUin, string friendUid)
-    {
-        if (_uinToUid.Count == 0) await ResolveFriendsUid();
-        if (groupUin == null) return _uinToUid.FirstOrDefault(x => x.Value == friendUid).Key;
-        
-        await CacheUid(groupUin.Value, true);
+        await CacheUid(groupUin.Value, force);
 
         return _uinToUid.FirstOrDefault(x => x.Value == friendUid).Key;
     }
diff --git a/Lagrange.Core/Internal/Context/Logic/Implementation/MessagingLogic.cs b/Lagrange.Core/Internal/Context/Logic/Implementation/MessagingLogic.cs
index 382772caa..682fda681 100644
--- a/Lagrange.Core/Internal/Context/Logic/Implementation/MessagingLogic.cs
+++ b/Lagrange.Core/Internal/Context/Logic/Implementation/MessagingLogic.cs
@@ -60,7 +60,7 @@ public override async Task Incoming(ProtocolEvent e)
             }
             case GroupSysIncreaseEvent increase:
             {
-                uint memberUin = await Collection.Business.CachingLogic.ForceResolveUint(increase.GroupUin, increase.MemberUid) ?? 0;
+                uint memberUin = await Collection.Business.CachingLogic.ResolveUin(increase.GroupUin, increase.MemberUid, true) ?? 0;
                 uint? invitorUin = null;
                 if (increase.InvitorUid != null) invitorUin = await Collection.Business.CachingLogic.ResolveUin(increase.GroupUin, increase.InvitorUid);
                 var increaseArgs = new GroupMemberIncreaseEvent(increase.GroupUin, memberUin, invitorUin);
diff --git a/Lagrange.Core/Internal/Packets/Service/Oidb/Response/OidbSvcTrpcTcp0xFE7_2Response.cs b/Lagrange.Core/Internal/Packets/Service/Oidb/Response/OidbSvcTrpcTcp0xFE7_2Response.cs
index 8428f020e..e9f2bba96 100644
--- a/Lagrange.Core/Internal/Packets/Service/Oidb/Response/OidbSvcTrpcTcp0xFE7_2Response.cs
+++ b/Lagrange.Core/Internal/Packets/Service/Oidb/Response/OidbSvcTrpcTcp0xFE7_2Response.cs
@@ -42,7 +42,7 @@ internal class OidbSvcTrpcTcp0xFE7_2Member
 [ProtoContract]
 internal class OidbSvcTrpcTcp0xFE7_2Uin
 {
-    [ProtoMember(1)] public string Uid { get; set; }
+    [ProtoMember(2)] public string Uid { get; set; }
     
     [ProtoMember(4)] public uint Uin { get; set; }
 }
diff --git a/Lagrange.Core/Internal/Service/System/FetchMembersService.cs b/Lagrange.Core/Internal/Service/System/FetchMembersService.cs
index 7a540d23f..7432ed235 100644
--- a/Lagrange.Core/Internal/Service/System/FetchMembersService.cs
+++ b/Lagrange.Core/Internal/Service/System/FetchMembersService.cs
@@ -8,6 +8,7 @@
 using Lagrange.Core.Internal.Packets.Service.Oidb.Response;
 using Lagrange.Core.Internal.Service.Abstraction;
 using Lagrange.Core.Utility.Binary;
+using Lagrange.Core.Utility.Extension;
 using ProtoBuf;
 
 namespace Lagrange.Core.Internal.Service.System;
@@ -48,6 +49,7 @@ protected override bool Parse(SsoPacket input, BotKeystore keystore, BotAppInfo
         out FetchMembersEvent output, out List<ProtocolEvent>? extraEvents)
     {
         var payload = input.Payload.ReadBytes(BinaryPacket.Prefix.Uint32 | BinaryPacket.Prefix.WithPrefix);
+        Console.WriteLine(payload.Hex());
         var response = Serializer.Deserialize<OidbSvcTrpcTcpResponse<OidbSvcTrpcTcp0xFE7_2Response>>(payload.AsSpan());
 
         var members = response.Body.Members.Select(member =>