diff --git a/Editor/MethodBridge/Analyzer.cs b/Editor/MethodBridge/Analyzer.cs
index 5cdd9e8..33d24e5 100644
--- a/Editor/MethodBridge/Analyzer.cs
+++ b/Editor/MethodBridge/Analyzer.cs
@@ -53,6 +53,10 @@ namespace HybridCLR.Editor.MethodBridge
 
         private void TryAddAndWalkGenericType(GenericClass gc)
         {
+            if (gc == null)
+            {
+                return;
+            }
             lock(_lock)
             {
                 gc = gc.ToGenericShare();
diff --git a/package.json b/package.json
index a26ed0d..b5872a6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "com.focus-creative-games.hybridclr_unity",
-  "version": "0.7.0",
+  "version": "0.7.1",
   "displayName": "HybridCLR",
   "description": "Unity package for HybridCLR. It includes editor and runtime scripts and assets for HybridCLR",
   "category": "Runtime",