diff --git a/pkg/service/cast/work.go b/pkg/service/cast/work.go
index d17d056..2bab1a2 100644
--- a/pkg/service/cast/work.go
+++ b/pkg/service/cast/work.go
@@ -489,12 +489,12 @@ func PostAS(workUuids []string) (errs []error) {
 			postIDs := postResp.Posts[0].PostIds
 			postData, _ := json.Marshal(postResp)
 			for _, postInfo := range postIDs {
-				var platformID uint32
+				var pid uint32
 				switch postInfo.Platform {
 				case "tiktok":
-					platformID = 1
+					pid = 1
 				case "instagram":
-					platformID = 3
+					pid = 3
 				}
 				publishStatus := cast.PublishStatusENUM_PublishMediaStatus_NO
 				if postInfo.Status == "success" {
@@ -510,7 +510,7 @@ func PostAS(workUuids []string) (errs []error) {
 				infoReq.PlatformInfoData = append(infoReq.PlatformInfoData, &cast.PlatformInfo{
 					WorkUuid:         workDetail.WorkUuid,
 					MediaAccountUuid: "", //FIXME
-					PlatformID:       platformID,
+					PlatformID:       pid,
 					PublishType:      2,
 					PublishResp:      string(postBytes),
 					PublishMediaId:   postResp.Posts[0].Id,