diff --git a/lib/core/cache/lcoal.go b/lib/core/cache/lcoal.go
index 62f776a4..06b5628f 100644
--- a/lib/core/cache/lcoal.go
+++ b/lib/core/cache/lcoal.go
@@ -1,6 +1,7 @@
 package cache
 
 import (
+	"strings"
 	"time"
 
 	"github.com/patrickmn/go-cache"
@@ -24,6 +25,17 @@ func DeleteLocal(key string) {
 	cNoExpiration.Delete(key)
 }
 
+// 获取指定前缀的所有键
+func GetLocalKeys(prefix string) []string {
+	var keys []string
+	for key := range cNoExpiration.Items() {
+		if strings.HasPrefix(key, prefix) {
+			keys = append(keys, key)
+		}
+	}
+	return keys
+}
+
 // 创建一个全局的过期缓存对象
 var cTTL = cache.New(6*time.Hour, 12*time.Hour)