diff --git a/src/main/java/com/example/demo/controller/RateController.java b/src/main/java/com/example/demo/controller/RateController.java
index 9a9ffa3..2685493 100644
--- a/src/main/java/com/example/demo/controller/RateController.java
+++ b/src/main/java/com/example/demo/controller/RateController.java
@@ -51,7 +51,7 @@ public class RateController {
     }
 
     @PostMapping("/searchById")
-    public Result searchById( Rate rate) {
+    public Result searchById(@RequestBody Rate rate) {
         return Result.success(rateService.getById(rate.getRateId()));
     }