diff --git a/bonus-modules/bonus-smart-canteen/src/main/java/com/bonus/canteen/core/auth/oauth/controller/AuthController.java b/bonus-modules/bonus-smart-canteen/src/main/java/com/bonus/canteen/core/auth/oauth/controller/AuthController.java
index 305cf813..cebe7e60 100644
--- a/bonus-modules/bonus-smart-canteen/src/main/java/com/bonus/canteen/core/auth/oauth/controller/AuthController.java
+++ b/bonus-modules/bonus-smart-canteen/src/main/java/com/bonus/canteen/core/auth/oauth/controller/AuthController.java
@@ -162,8 +162,8 @@ public class AuthController {
 
    @ApiOperation("设备认证")
    @PostMapping({"/device/login"})
-   public AjaxResult deviceLogin(@RequestHeader Map<String, String> header, @RequestBody String request) {
-      String deviceSn = SmUtils.decryptBySm2(request);
+   public AjaxResult deviceLogin(@RequestHeader Map<String, String> header, @RequestParam String encryptedDeviceSn) {
+      String deviceSn = SmUtils.decryptBySm2(encryptedDeviceSn);
       String encryptKey = HeaderFetchUtil.getValueFromHeadersIgnoreCase(header, this.secureProperties.getSecurity().getServerEncryptedClientKeyHeaderName());
       String clientKey = SmUtils.decryptBySm4WithServerKey(encryptKey);
       if (CharSequenceUtil.isEmpty(deviceSn)) {