diff --git a/pkg/service/cast/tag.go b/pkg/service/cast/tag.go
index 1a8f625..9156c93 100644
--- a/pkg/service/cast/tag.go
+++ b/pkg/service/cast/tag.go
@@ -10,6 +10,7 @@ import (
 	"fonchain-fiee/pkg/model/login"
 	"fonchain-fiee/pkg/service"
 	"fonchain-fiee/pkg/utils"
+	"math/rand"
 	"path/filepath"
 	"strings"
 	"time"
@@ -212,10 +213,22 @@ func GetValidProfileKey(ctx context.Context, platformIDs []uint32) (string, erro
 	if len(profileKeys.Data) == 0 {
 		return "", errors.New("当前没有有效的profileKey")
 	}
-	if profileKeys.Data[0].ProfileKey != "" {
-		return profileKeys.Data[0].ProfileKey, nil
+
+	// 过滤出所有非空的 profileKey
+	validProfileKeys := make([]string, 0)
+	for _, item := range profileKeys.Data {
+		if item.ProfileKey != "" {
+			validProfileKeys = append(validProfileKeys, item.ProfileKey)
+		}
 	}
-	return "", errors.New("profileKey为空")
+
+	if len(validProfileKeys) == 0 {
+		return "", errors.New("profileKey为空")
+	}
+
+	// 从有效的 profileKey 中随机选择一个
+	randIndex := rand.Intn(len(validProfileKeys))
+	return validProfileKeys[randIndex], nil
 }
 
 // SaveTagsToDatabase 将标签保存到数据库