diff --git a/ftb/src/main/java/ftb/test/controller/CultureClockInController.java b/ftb/src/main/java/ftb/test/controller/CultureClockInController.java
index 7df8a5d..f1af9fd 100644
--- a/ftb/src/main/java/ftb/test/controller/CultureClockInController.java
+++ b/ftb/src/main/java/ftb/test/controller/CultureClockInController.java
@@ -45,7 +45,7 @@ public class CultureClockInController {
      * @param lastCombo 上次组合
      * @param response HttpServletResponse
      */
-    @GetMapping(value = "/random-preview")
+    @PostMapping(value = "/random-preview")
     public void getRandomPicPreview(@RequestParam(value = "lastCombo", required = true) String lastCombo1, HttpServletRequest request, HttpServletResponse response) throws Exception {
 
         MutablePair<String, BufferedImage> pair = cultureClockInService.getRandomPicPreview(lastCombo, requestUrl);