bug fix: 修复按名查找路由问题

src/main/java/com/example/springdemo/controller/MerchantsController.java

@@ -43,7 +43,7 @@ public class MerchantsController {
         return merchantsService.findAllMerchants();
     }
 
-    @GetMapping("/find/name}")
+    @GetMapping("/find/name")
     public Optional<Merchants> getMerchantsByName(@RequestParam("name") String name) {
         return merchantsService.findByName(name);
     }