增加日志

api-module/src/main/java/com/tzld/piaoquan/api/controller/TencentWeComController.java

@@ -236,6 +236,9 @@ public class TencentWeComController {
     @PostMapping("/send/post/file")
     public String sendPostFile(@RequestParam String url, @RequestParam("media") MultipartFile multipartFile) throws IOException {
         String filePath = UUID.randomUUID() + ".jpg";
+        if (multipartFile.isEmpty()) {
+            log.error("multipartFile is empty");
+        }
         File file = new File(filePath);
         // 将MultipartFile的内容传输到File中
         multipartFile.transferTo(file);