diff --git a/src/onebot11/action/group/SetGroupAddRequest.ts b/src/onebot11/action/group/SetGroupAddRequest.ts
index b76b0338..f442e3ac 100644
--- a/src/onebot11/action/group/SetGroupAddRequest.ts
+++ b/src/onebot11/action/group/SetGroupAddRequest.ts
@@ -12,7 +12,7 @@ const SchemaData = {
     approve: { type: 'boolean' },
     reason: { type: 'string' }
   },
-  required: ['flag', 'approve', 'reson']
+  required: ['flag', 'approve', 'reason']
 } as const satisfies JSONSchema;
 
 type Payload = FromSchema<typeof SchemaData>;