From 257dd97db895eacabecb3bc5e345b2eab6a18a2f Mon Sep 17 00:00:00 2001
From: AiHimmel <AiHimmel@msn.com>
Date: Fri, 28 Nov 2025 21:01:17 +0800
Subject: [PATCH] fix: throw IL exception correctly

---
 ILRuntime/Runtime/Intepreter/ILIntepreter.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ILRuntime/Runtime/Intepreter/ILIntepreter.cs b/ILRuntime/Runtime/Intepreter/ILIntepreter.cs
index 03e410a6..298effc5 100644
--- a/ILRuntime/Runtime/Intepreter/ILIntepreter.cs
+++ b/ILRuntime/Runtime/Intepreter/ILIntepreter.cs
@@ -4641,7 +4641,8 @@ public object Run(ILMethod method, object instance, object[] p)
                             case OpCodeEnum.Throw:
                                 {
                                     objRef = GetObjectAndResolveReference(esp - 1);
-                                    var ex = mStack[objRef->Value] as Exception;
+                                    var exObj = mStack[objRef->Value];
+                                    var ex = exObj as Exception ?? (exObj as ILTypeInstance)?.CLRInstance as Exception;
                                     Free(objRef);
                                     esp--;
                                     throw ex;