fix:为文件上传接口添加等待时间

src/main/java/com/njuzr/eaibackend/config/SecurityConfig.java

@@ -51,6 +51,7 @@ public class SecurityConfig {
         http
                 .authorizeHttpRequests(authorize -> authorize
                         .requestMatchers("/api/auth/*",
+                                "/api/file",
                                 "/api/email/*",
                                 "/api/user/register",
                                 "/api/user/updatePassword",