diff --git a/shortcuts/issue/batch_common.go b/shortcuts/issue/batch_common.go
index 6917f68..94f177e 100644
--- a/shortcuts/issue/batch_common.go
+++ b/shortcuts/issue/batch_common.go
@@ -395,7 +395,7 @@ func ResolveUserID(ctx *common.RuntimeContext, name string) (int, error) {
 
 // ResolveLabelID 把 label 名称解析为数字 label ID。
 // 若 name 本身是数字则直接返回；否则首次按当前仓库拉取全部 label
-// （GET /v1/{owner}/{repo}/labels）并按仓库维度缓存，后续直接走缓存。
+// （GET /{owner}/{repo}/labels，v0 前缀）并按仓库维度缓存，后续直接走缓存。
 func ResolveLabelID(ctx *common.RuntimeContext, name string) (int, error) {
 	if id, err := strconv.Atoi(name); err == nil {
 		return id, nil
@@ -416,14 +416,24 @@ func ResolveLabelID(ctx *common.RuntimeContext, name string) (int, error) {
 	resolverCacheMu.Unlock()
 
 	// 缓存未命中，从 API 拉取该仓库的全部 label
-	env, err := ctx.CallAPI("GET", v1RepoPath(ctx)+"/labels", nil)
+	env, err := ctx.CallAPI("GET", fmt.Sprintf("/%s/%s/labels", ctx.Owner, ctx.Repo), nil)
 	if err != nil {
 		return 0, fmt.Errorf("resolve label: %w", err)
 	}
 
-	items, err := parseDataArray(env.Data)
+	// API 返回 {"status":0, "issue_tags":[...], ...}，client.Do 把整个响应包在 envelope 里，
+	// 所以 env.Data 是包含 issue_tags 键的 map，需要先提取 issue_tags 再解析数组。
+	rawMap, ok := env.Data.(map[string]interface{})
+	if !ok {
+		return 0, fmt.Errorf("resolve label: unexpected response type %T", env.Data)
+	}
+	itemsRaw, ok := rawMap["issue_tags"]
+	if !ok {
+		return 0, fmt.Errorf("resolve label: response missing issue_tags field")
+	}
+	items, err := parseDataArray(itemsRaw)
 	if err != nil {
-		return 0, fmt.Errorf("resolve label: parse data: %w", err)
+		return 0, fmt.Errorf("resolve label: parse issue_tags: %w", err)
 	}
 
 	// 在锁内把当前仓库的 label 全量写入按 repoKey 隔离的缓存
diff --git a/shortcuts/issue/batch_create.go b/shortcuts/issue/batch_create.go
index 70c403f..5943b44 100644
--- a/shortcuts/issue/batch_create.go
+++ b/shortcuts/issue/batch_create.go
@@ -138,7 +138,7 @@ func createIssueFromRow(ctx *common.RuntimeContext, row []string, titleCol, body
 		if err != nil {
 			return fmt.Errorf("label %q: %w", labels, err)
 		}
-		body["label_ids"] = labelIDs
+		body["issue_tag_ids"] = labelIDs
 	}
 	if pri := getCell(row, priorityCol); pri != "" {
 		pid, err := strconv.Atoi(pri)
diff --git a/shortcuts/issue/batch_label.go b/shortcuts/issue/batch_label.go
index fa8c0dc..349b772 100644
--- a/shortcuts/issue/batch_label.go
+++ b/shortcuts/issue/batch_label.go
@@ -94,7 +94,7 @@ func manageIssueLabels(ctx *common.RuntimeContext, number string, action string,
 	body := map[string]interface{}{
 		"subject":     current.Subject,
 		"description": current.Description,
-		"label_ids":   finalIDs,
+		"issue_tag_ids": finalIDs,
 	}
 	_, err = ctx.CallAPI("PATCH", fmt.Sprintf("%s/issues/%s", v1RepoPath(ctx), number), body)
 	if err != nil {
diff --git a/shortcuts/issue/batch_update.go b/shortcuts/issue/batch_update.go
index 1e4c946..eaa3e59 100644
--- a/shortcuts/issue/batch_update.go
+++ b/shortcuts/issue/batch_update.go
@@ -15,7 +15,7 @@ var updateFieldMapping = map[string]string{
 	"state":     "status_id",
 	"assignee":  "assigner_ids",
 	"milestone": "fixed_version_id",
-	"label":     "label_ids",
+	"label":     "issue_tag_ids",
 	"priority":  "priority_id",
 }
 
@@ -127,12 +127,12 @@ func applyIssueUpdates(ctx *common.RuntimeContext, number string, row []string,
 				}
 				body["fixed_version_id"] = id
 			}
-		case "label_ids":
+		case "issue_tag_ids":
 			labelIDs, err := resolveLabelArgs(ctx, val, "")
 			if err != nil {
 				return fmt.Errorf("issue #%s label %q: %w", number, val, err)
 			}
-			body["label_ids"] = labelIDs
+			body["issue_tag_ids"] = labelIDs
 		case "priority_id":
 			pid, err := strconv.Atoi(val)
 			if err != nil {
diff --git a/shortcuts/issue/issue.go b/shortcuts/issue/issue.go
index c845d6e..c67c3ff 100644
--- a/shortcuts/issue/issue.go
+++ b/shortcuts/issue/issue.go
@@ -265,7 +265,7 @@ func fetchIssueData(ctx *common.RuntimeContext, number string) (*IssueData, erro
 		AssignedToID: getMapInt(issueMap, "assigned_to_id"),
 		FixedVersionID: getMapInt(issueMap, "fixed_version_id"),
 		PriorityID:  getMapInt(issueMap, "priority_id"),
-		LabelIDs:    getMapIntSlice(issueMap, "label_ids"),
+		LabelIDs:    getTagIDs(issueMap, "tags"),
 	}
 	return data, nil
 }
@@ -307,6 +307,26 @@ func getMapIntSlice(m map[string]interface{}, key string) []int {
 	return ids
 }
 
+// getTagIDs 从 map 中提取 tag 对象数组中每个对象的 id 字段。
+// API 返回 tags: [{id: 1, name: "bug"}, ...]，需要遍历对象提取 id。
+// 类型不匹配或缺失时返回 nil。
+func getTagIDs(m map[string]interface{}, key string) []int {
+	raw, ok := m[key].([]interface{})
+	if !ok {
+		return nil
+	}
+	ids := make([]int, 0, len(raw))
+	for _, item := range raw {
+		if tag, ok := item.(map[string]interface{}); ok {
+			id := getMapInt(tag, "id")
+			if id > 0 {
+				ids = append(ids, id)
+			}
+		}
+	}
+	return ids
+}
+
 func normalizeIssueStatus(state string) (interface{}, error) {
 	switch strings.ToLower(strings.TrimSpace(state)) {
 	case "open":