feat: 添加定时系统

- 实现定时任务

internal/ckwk/api.go

@@ -1,6 +1,7 @@
 package ckwk
 
 import (
+	"ckwk/internal/conf"
 	"ckwk/pkg/common"
 	"ckwk/pkg/log"
 	"ckwk/pkg/request"
@@ -97,7 +98,7 @@ func (wk *WK) Code() (string, error) {
 			"png_fix":     "false",
 		}).
 		SetResult(&result).
-		Post("http://localhost:8000/ocr")
+		Post(fmt.Sprintf("%s/ocr", conf.DdddOCR))
 	if err != nil {
 		return "", fmt.Errorf("获取验证码验证结果失败: %w", err)
 	}