diff --git a/pkg/service/cast/ayrshare.go b/pkg/service/cast/ayrshare.go
new file mode 100644
index 0000000..1f76291
--- /dev/null
+++ b/pkg/service/cast/ayrshare.go
@@ -0,0 +1,315 @@
+package cast
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"fonchain-fiee/pkg/utils"
+	"io"
+	"mime/multipart"
+	"net/http"
+	"os"
+	"path/filepath"
+	"time"
+
+	"go.uber.org/zap"
+)
+
+const (
+	// Ayrshare API 配置
+	ayrshareAPIBaseURL = "https://api.ayrshare.com/api"
+	maxSmallFileSize   = 30 * 1024 * 1024 // 30MB
+	apiKey             = "208CBE9F-8E4F426A-990A0184-2C6287B9"
+)
+
+// UploadMediaResponse 上传媒体文件响应
+type UploadMediaResponse struct {
+	ID          string `json:"id"`
+	URL         string `json:"url"`
+	FileName    string `json:"fileName"`
+	Description string `json:"description"`
+	IsAs        bool   `json:"isAs"`
+}
+
+// UploadURLResponse 获取上传URL响应
+type UploadURLResponse struct {
+	AccessURL   string `json:"accessUrl"`
+	ContentType string `json:"contentType"`
+	UploadURL   string `json:"uploadUrl"`
+}
+
+// VerifyURLResponse 验证URL响应
+type VerifyURLResponse struct {
+	Status      string `json:"status"`
+	StatusCode  int    `json:"statusCode"`
+	ContentType string `json:"contentType"`
+}
+
+// UploadMediaByURL 根据文件大小自动选择上传方式
+// fileURL: 文件的URL链接
+// apiKey: Ayrshare API Key
+// fileName: 文件名（可选）
+// description: 文件描述（可选）
+func UploadMediaByURL(ctx context.Context, fileURL, fileName, description string) (*UploadMediaResponse, error) {
+	if fileURL == "" {
+		return nil, errors.New("文件URL不能为空")
+	}
+	ok, err := VerifyMediaURL(ctx, fileURL)
+	if err != nil {
+		return nil, err
+	}
+	if ok {
+		return &UploadMediaResponse{
+			ID:          "",
+			URL:         fileURL,
+			FileName:    "",
+			Description: "",
+			IsAs:        false,
+		}, nil
+	}
+	// 下载文件到临时目录
+	tempFile, fileSize, err := downloadFile(ctx, fileURL)
+	if err != nil {
+		return nil, fmt.Errorf("下载文件失败: %v", err)
+	}
+	defer os.Remove(tempFile) // 清理临时文件
+
+	zap.L().Info("文件下载完成", zap.String("tempFile", tempFile), zap.Int64("fileSize", fileSize))
+
+	// 如果没有提供文件名，从URL中提取
+	if fileName == "" {
+		fileName = filepath.Base(fileURL)
+	}
+
+	// 根据文件大小选择上传方式
+	if fileSize < maxSmallFileSize {
+		zap.L().Info("使用小文件上传方式", zap.Int64("fileSize", fileSize))
+		return uploadSmallMedia(ctx, tempFile, apiKey, fileName, description)
+	}
+	zap.L().Info("使用大文件上传方式", zap.Int64("fileSize", fileSize))
+	return uploadLargeMedia(ctx, tempFile, apiKey, fileName, description)
+}
+
+// downloadFile 下载文件到临时目录
+func downloadFile(ctx context.Context, fileURL string) (string, int64, error) {
+	req, err := http.NewRequestWithContext(ctx, "GET", fileURL, nil)
+	if err != nil {
+		return "", 0, err
+	}
+
+	client := &http.Client{Timeout: 10 * time.Minute}
+	resp, err := client.Do(req)
+	if err != nil {
+		return "", 0, err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return "", 0, fmt.Errorf("下载文件失败，HTTP状态码: %d", resp.StatusCode)
+	}
+
+	// 创建临时文件
+	tempFile, err := os.CreateTemp("", "ayrshare_upload_*")
+	if err != nil {
+		return "", 0, err
+	}
+	defer tempFile.Close()
+
+	// 复制内容到临时文件
+	fileSize, err := io.Copy(tempFile, resp.Body)
+	if err != nil {
+		os.Remove(tempFile.Name())
+		return "", 0, err
+	}
+
+	return tempFile.Name(), fileSize, nil
+}
+
+// uploadSmallMedia 上传小于30MB的文件（使用multipart form-data）
+func uploadSmallMedia(ctx context.Context, filePath, apiKey, fileName, description string) (*UploadMediaResponse, error) {
+	file, err := os.Open(filePath)
+	if err != nil {
+		return nil, fmt.Errorf("打开文件失败: %v", err)
+	}
+	defer file.Close()
+
+	// 创建multipart form-data
+	body := &bytes.Buffer{}
+	writer := multipart.NewWriter(body)
+
+	// 添加文件
+	part, err := writer.CreateFormFile("file", fileName)
+	if err != nil {
+		return nil, err
+	}
+	if _, err := io.Copy(part, file); err != nil {
+		return nil, err
+	}
+
+	// 添加其他字段
+	if fileName != "" {
+		_ = writer.WriteField("fileName", fileName)
+	}
+	if description != "" {
+		_ = writer.WriteField("description", description)
+	}
+
+	if err := writer.Close(); err != nil {
+		return nil, err
+	}
+
+	// 发送请求
+	url := fmt.Sprintf("%s/media/upload", ayrshareAPIBaseURL)
+	req, err := http.NewRequestWithContext(ctx, "POST", url, body)
+	if err != nil {
+		return nil, err
+	}
+
+	req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", apiKey))
+	req.Header.Set("Content-Type", writer.FormDataContentType())
+
+	client := &http.Client{Timeout: 10 * time.Minute}
+	resp, err := client.Do(req)
+	if err != nil {
+		return nil, fmt.Errorf("请求失败: %v", err)
+	}
+	defer resp.Body.Close()
+
+	respBody, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, fmt.Errorf("读取响应失败: %v", err)
+	}
+
+	if resp.StatusCode != http.StatusOK {
+		zap.L().Error("上传小文件失败", zap.Int("statusCode", resp.StatusCode), zap.String("response", string(respBody)))
+		return nil, fmt.Errorf("上传失败: HTTP %d, %s", resp.StatusCode, string(respBody))
+	}
+
+	var result UploadMediaResponse
+	if err := json.Unmarshal(respBody, &result); err != nil {
+		return nil, fmt.Errorf("解析响应失败: %v", err)
+	}
+
+	zap.L().Info("小文件上传成功", zap.Any("response", result))
+	return &result, nil
+}
+
+// uploadLargeMedia 上传大于30MB的文件（使用presigned URL）
+func uploadLargeMedia(ctx context.Context, filePath, apiKey, fileName, description string) (*UploadMediaResponse, error) {
+	// 获取文件的content type
+	ext := filepath.Ext(fileName)
+	if len(ext) > 0 {
+		ext = ext[1:] // 去掉点号
+	}
+
+	// Step 1: 获取上传URL
+	uploadURLResp, err := getUploadURL(ctx, apiKey, fileName, ext)
+	if err != nil {
+		return nil, fmt.Errorf("获取上传URL失败: %v", err)
+	}
+
+	zap.L().Info("获取上传URL成功", zap.Any("uploadURLResp", uploadURLResp))
+
+	// Step 2: 上传文件到presigned URL
+	file, err := os.Open(filePath)
+	if err != nil {
+		return nil, fmt.Errorf("打开文件失败: %v", err)
+	}
+	defer file.Close()
+
+	req, err := http.NewRequestWithContext(ctx, "PUT", uploadURLResp.UploadURL, file)
+	if err != nil {
+		return nil, err
+	}
+
+	req.Header.Set("Content-Type", uploadURLResp.ContentType)
+
+	client := &http.Client{Timeout: 30 * time.Minute}
+	resp, err := client.Do(req)
+	if err != nil {
+		return nil, fmt.Errorf("上传文件失败: %v", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		respBody, _ := io.ReadAll(resp.Body)
+		zap.L().Error("上传大文件失败", zap.Int("statusCode", resp.StatusCode), zap.String("response", string(respBody)))
+		return nil, fmt.Errorf("上传失败: HTTP %d", resp.StatusCode)
+	}
+
+	zap.L().Info("大文件上传成功")
+
+	// 返回结果
+	return &UploadMediaResponse{
+		URL:         uploadURLResp.AccessURL,
+		FileName:    fileName,
+		Description: description,
+	}, nil
+}
+
+// getUploadURL 获取大文件上传的presigned URL
+func getUploadURL(ctx context.Context, apiKey, fileName, contentType string) (*UploadURLResponse, error) {
+	url := fmt.Sprintf("%s/media/uploadUrl?fileName=%s", ayrshareAPIBaseURL, fileName)
+	if contentType != "" {
+		url = fmt.Sprintf("%s&contentType=%s", url, contentType)
+	}
+
+	req, err := http.NewRequestWithContext(ctx, "GET", url, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", apiKey))
+
+	client := &http.Client{Timeout: 30 * time.Second}
+	resp, err := client.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	respBody, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, err
+	}
+
+	if resp.StatusCode != http.StatusOK {
+		zap.L().Error("获取上传URL失败", zap.Int("statusCode", resp.StatusCode), zap.String("response", string(respBody)))
+		return nil, fmt.Errorf("获取上传URL失败: HTTP %d, %s", resp.StatusCode, string(respBody))
+	}
+
+	var result UploadURLResponse
+	if err := json.Unmarshal(respBody, &result); err != nil {
+		return nil, fmt.Errorf("解析响应失败: %v", err)
+	}
+
+	return &result, nil
+}
+
+// VerifyMediaURL 验证媒体URL是否有效
+func VerifyMediaURL(ctx context.Context, mediaURL string) (bool, error) {
+	url := fmt.Sprintf("%s/media/urlExists", ayrshareAPIBaseURL)
+	requestBody := map[string]string{
+		"mediaUrl": mediaURL,
+	}
+	jsonData, _ := json.Marshal(requestBody)
+	code, postBody, err := utils.PostBytesHeader(url, map[string]interface{}{
+		"Content-Type":  "application/json",
+		"Authorization": "Bearer " + apiKey,
+	}, jsonData)
+	if err != nil {
+		zap.L().Error("VerifyMediaURL 提交异常", zap.Error(err))
+		return false, errors.New("验证链接提交异常")
+	}
+	if code != http.StatusOK {
+		return false, nil
+	}
+	var result *VerifyURLResponse
+	_ = json.Unmarshal(postBody, &result)
+	if result.StatusCode != http.StatusOK || result.Status != "success" {
+		return false, nil
+	}
+	return true, nil
+}
diff --git a/pkg/service/cast/test.go b/pkg/service/cast/test.go
index 7181fc5..743dda1 100644
--- a/pkg/service/cast/test.go
+++ b/pkg/service/cast/test.go
@@ -99,6 +99,26 @@ func Test(ctx *gin.Context) {
 		service.Success(ctx, resp)
 		return
 	}
+	if action == "upload" {
+		fileUrl := ctx.PostForm("fileUrl")
+		uploadResp, err := UploadMediaByURL(ctx, fileUrl, "", "")
+		if err != nil {
+			service.Error(ctx, err)
+			return
+		}
+		service.Success(ctx, uploadResp)
+		return
+	}
+	if action == "getUrl" {
+		fileUrl := ctx.PostForm("fileUrl")
+		uploadResp, err := VerifyMediaURL(ctx, fileUrl)
+		if err != nil {
+			service.Error(ctx, err)
+			return
+		}
+		service.Success(ctx, uploadResp)
+		return
+	}
 	service.Success(ctx, "unknow")
 	return
 }
diff --git a/pkg/service/cast/work.go b/pkg/service/cast/work.go
index 417f88f..3f5abba 100644
--- a/pkg/service/cast/work.go
+++ b/pkg/service/cast/work.go
@@ -353,11 +353,37 @@ func PostAS(workUuids []string) (errs []error) {
 		var isVideo bool
 		if workDetail.WorkCategory == 1 {
 			isVideo = false
-			mediaUrls = workDetail.Images
+			for _, imageUrl := range workDetail.Images {
+				urlResp, err := UploadMediaByURL(context.Background(), imageUrl, "", "")
+				if err != nil {
+					zap.L().Error("Publish UploadMediaByURL failed", zap.String("imageUrl", imageUrl), zap.Error(err))
+					continue
+				}
+				mediaUrls = append(mediaUrls, urlResp.URL)
+			}
+			//mediaUrls = workDetail.Images
 		}
+		var coverUrl string
 		if workDetail.WorkCategory == 2 {
 			isVideo = true
-			mediaUrls = []string{workDetail.VideoUrl}
+			//mediaUrls = []string{workDetail.VideoUrl}
+			urlResp, err := UploadMediaByURL(context.Background(), workDetail.VideoUrl, "", "")
+			if err != nil {
+				zap.L().Error("Publish UploadMediaByURL failed", zap.String("VideoUrl", workDetail.VideoUrl), zap.Error(err))
+				continue
+			}
+			mediaUrls = []string{urlResp.URL}
+			if workDetail.CoverUrl != "" {
+				urlResp, err = UploadMediaByURL(context.Background(), workDetail.VideoUrl, "", "")
+				if err != nil {
+					zap.L().Error("Publish UploadMediaByURL failed", zap.String("VideoUrl", workDetail.VideoUrl), zap.Error(err))
+					continue
+				}
+				coverUrl = urlResp.URL
+			}
+		}
+		if len(mediaUrls) == 0 {
+			continue
 		}
 		ArtistInfoResp, _err := service.CastProvider.GetArtist(context.Background(), &cast.GetArtistReq{
 			ArtistUuid: workDetail.ArtistUuid,
@@ -370,7 +396,6 @@ func PostAS(workUuids []string) (errs []error) {
 			errs = append(errs, errors.New("艺人平台信息未配置"))
 			continue
 		}
-
 		for _, platformID := range needPlatformIDs {
 			var postResp *aryshare.PostResponse = &aryshare.PostResponse{}
 			postReq := &aryshare.PostRequest{
@@ -389,7 +414,7 @@ func PostAS(workUuids []string) (errs []error) {
 				postReq.InstagramOptions = &aryshare.InstagramOptions{
 					ShareReelsFeed:  false,
 					AudioName:       "",
-					ThumbNail:       workDetail.CoverUrl,
+					ThumbNail:       coverUrl,
 					ThumbNailOffset: 0,
 					Stories:         false,
 					AltText:         nil,
diff --git a/pkg/utils/files.go b/pkg/utils/files.go
new file mode 100644
index 0000000..16b4d46
--- /dev/null
+++ b/pkg/utils/files.go
@@ -0,0 +1,44 @@
+package utils
+
+import (
+	"errors"
+	"fmt"
+	"fonchain-fiee/pkg/e"
+	"io"
+	"net/http"
+	"os"
+	"strings"
+
+	"go.uber.org/zap"
+)
+
+// SaveUrlFileDisk 保存图片到本地
+func SaveUrlFileDisk(url string, path string, filename string) (fullPath string, err error) {
+	if err = CreateDirPath(path); err != nil {
+		zap.L().Error("SaveUrlFileDisk err ", zap.Error(err))
+		return
+	}
+	if filename == "" {
+		stepName := strings.Split(url, "/")
+		if len(stepName) > 1 {
+			filename = stepName[len(stepName)-1]
+		}
+	}
+
+	resp, err := http.Get(url)
+	if err != nil {
+		err = errors.New(e.GetMsg(e.ERROR_DOWNLOAD_FILE))
+		return
+	}
+	defer func() {
+		if err := recover(); err != nil {
+
+		}
+		resp.Body.Close()
+	}()
+	bytes, err := io.ReadAll(resp.Body)
+	fullPath = fmt.Sprintf("%s/%s", path, filename)
+	// 写入数据
+	err = os.WriteFile(fullPath, bytes, 0777)
+	return
+}
diff --git a/pkg/utils/http.go b/pkg/utils/http.go
index cab0f0e..3101f12 100644
--- a/pkg/utils/http.go
+++ b/pkg/utils/http.go
@@ -133,3 +133,24 @@ func GetUrl(apiUrl string, headerData map[string]string, proxyURL ...string) (st
 	zap.L().Info("Get", zap.Any("url", apiUrl), zap.Any("body", body))
 	return
 }
+
+func PostBytesHeader(url string, header map[string]interface{}, data []byte) (int, []byte, error) {
+	req, err := http.NewRequest("POST", url, bytes.NewBuffer(data))
+	if err != nil {
+		return 0, nil, fmt.Errorf("创建请求失败: %v", "")
+	}
+	for k, v := range header {
+		req.Header.Set(k, fmt.Sprintf("%v", v))
+	}
+	client := &http.Client{}
+	resp, err := client.Do(req)
+	if err != nil {
+		return 0, nil, fmt.Errorf("请求失败: %v", "")
+	}
+	defer resp.Body.Close()
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return 0, nil, fmt.Errorf("读取响应失败: %v", "")
+	}
+	return resp.StatusCode, body, nil
+}
diff --git a/pkg/utils/untils.go b/pkg/utils/untils.go
index e3a6660..18437ef 100644
--- a/pkg/utils/untils.go
+++ b/pkg/utils/untils.go
@@ -12,6 +12,7 @@ import (
 	"net/http"
 	"net/url"
 	"os"
+	"path"
 	"path/filepath"
 	"time"
 
@@ -163,3 +164,11 @@ func CopyFile(src, dstDir string) (string, error) {
 	}
 	return dst, nil
 }
+
+func FileNameFromURL(rawURL string) (string, error) {
+	u, err := url.Parse(rawURL)
+	if err != nil {
+		return "", err
+	}
+	return path.Base(u.Path), nil
+}