f

app/main/api/internal/logic/upload/uploadimagelogic.go

@@ -8,6 +8,7 @@ import (
 	"fmt"
 	"os"
 	"path/filepath"
+	"strings"
 	"time"
 
 	"tyc-server/app/main/api/internal/svc"
@@ -76,11 +77,9 @@ func (l *UploadImageLogic) UploadImage(req *types.UploadImageReq) (resp *types.U
 
 func (l *UploadImageLogic) buildURL(fileName string) string {
 	baseURL := l.svcCtx.Config.Upload.FileBaseURL
-	if baseURL == "" {
-		baseURL = l.svcCtx.Config.AdminPromotion.URLDomain
-		if baseURL != "" {
-			baseURL = baseURL + "/api/v1/upload/file"
-		}
+	if baseURL == "" && l.svcCtx.Config.PublicBaseURL != "" {
+		// 兜底：如果未单独配置 Upload.FileBaseURL，则使用公共域名拼接默认上传路径
+		baseURL = strings.TrimRight(l.svcCtx.Config.PublicBaseURL, "/") + "/api/v1/upload/file"
 	}
 	if baseURL == "" {
 		return ""