feat 添加错误处理，统一返回结构

subtitles/main.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"errors"
 	"github.com/go-playground/validator/v10"
 	"github.com/gofiber/fiber/v3"
 	"github.com/gofiber/fiber/v3/middleware/cors"
@@ -23,6 +24,26 @@ func main() {
 	s := &Service{cli: cli}
 	app := fiber.New(fiber.Config{
 		StructValidator: &structValidator{validate: validator.New()},
+		ErrorHandler: func(ctx fiber.Ctx, err error) error {
+			// Status code defaults to 500
+			code := fiber.StatusInternalServerError
+
+			// Retrieve the custom status code if it's a *fiber.Error
+			var e *fiber.Error
+			if errors.As(err, &e) {
+				code = e.Code
+			}
+
+			// Send custom error page
+			err = ctx.Status(code).JSON(fiber.Map{
+				"data": "",
+				"code": code,
+				"msg":  err.Error(),
+			})
+
+			// Return from handler
+			return nil
+		},
 	})
 
 	app.Use(recover.New(), cors.New())