diff --git a/game-server/app/services/checkParam.ts b/game-server/app/services/checkParam.ts
index a889c601c..96705528d 100644
--- a/game-server/app/services/checkParam.ts
+++ b/game-server/app/services/checkParam.ts
@@ -811,7 +811,7 @@ export function checkRouteParam(route: string, msg: any) {
         case "chat.chatHandler.accuse":
             {
                 if(!checkStringIfExist(msg.targetRoleId, msg.targetMsgCode)) return false;
-                if(!checkStringIfExist(msg.reason)) return false;
+                if(!checkNumberIfExist(msg.reason)) return false;
                 break;
             }
         case "connector.entryHanddler.enter":