diff --git a/lib/configs/api-gateway/schema.ts b/lib/configs/api-gateway/schema.ts
index a6a19368d..379b9616c 100644
--- a/lib/configs/api-gateway/schema.ts
+++ b/lib/configs/api-gateway/schema.ts
@@ -509,7 +509,7 @@ export const forumThreadPatchReqSchema: apigw.JsonSchema = {
     },
     action: {
       type: apigw.JsonSchemaType.STRING,
-      enum: ["update", "like", "dislike"],
+      enum: ["update", "like", "dislike", "update_count"],
     },
   },
   required: ["data", "action"],