diff --git a/Lagrange.Core/Common/Entity/BotGroupRequest.cs b/Lagrange.Core/Common/Entity/BotGroupRequest.cs
index 1dd6ee3cb..2af83d8de 100644
--- a/Lagrange.Core/Common/Entity/BotGroupRequest.cs
+++ b/Lagrange.Core/Common/Entity/BotGroupRequest.cs
@@ -57,6 +57,7 @@ public enum State
     public enum Type
     {
         GroupRequest = 1,
+        SelfInvitation = 2,
         ExitGroup = 13,
         GroupInvitation = 22,
     }
diff --git a/Lagrange.Core/Internal/Service/Action/SetGroupRequestService.cs b/Lagrange.Core/Internal/Service/Action/SetGroupRequestService.cs
index 438db7c22..101e05806 100644
--- a/Lagrange.Core/Internal/Service/Action/SetGroupRequestService.cs
+++ b/Lagrange.Core/Internal/Service/Action/SetGroupRequestService.cs
@@ -22,7 +22,7 @@ protected override bool Build(SetGroupRequestEvent input, BotKeystore keystore,
             Body = new OidbSvcTrpcTcp0x10C8_1Body
             {
                 Sequence = input.Sequence,
-                EventType = 2,
+                EventType = input.Type,
                 GroupUin = input.GroupUin,
                 Message = ""
             }