fix:修改接口路径

src/main/java/com/iflytop/colortitration/app/controller/SystemController.java

@@ -36,7 +36,7 @@ public class SystemController {
     }
 
     @Operation(summary = "获取当前系统时间")
-    @GetMapping("/datetime")
+    @GetMapping("/get-datetime")
     public Result<?> getDatetime() {
         return Result.success(Instant.now().toEpochMilli());
     }