diff --git a/ec/core.go b/ec/core.go
index 2ae7f95..8aae3a1 100644
--- a/ec/core.go
+++ b/ec/core.go
@@ -13,6 +13,14 @@ import (
 	"sync"
 )
 
+var defaultModule = "DEFAULT"
+
+type Item struct {
+	module string
+	key    string
+	value  string
+}
+
 type StorageType int
 
 var (
@@ -59,8 +67,6 @@ func (receiver *MySQLStorage) getStorage() StorageType {
 	return MySQL
 }
 
-//var db *sql.DB
-
 var dbCache = &sync.Map{}
 
 func getDbCacheKey(module, key string) string {
@@ -110,6 +116,9 @@ func NewMySQLStorage(host string, port int, user, passwd, database string) *MySQ
 
 // Initialize 入口函数
 func Initialize(storage Storage, module string) Handler {
+	if strings.TrimSpace(module) == "" {
+		module = defaultModule
+	}
 	return storage.init(module)
 }
 
@@ -117,6 +126,7 @@ type Handler interface {
 	Get(key string) string
 	Set(key string, value string) error
 	Remove(key string)
+	List() []Item
 }
 
 type MySQLHandler struct {
@@ -201,6 +211,25 @@ func (h *MySQLHandler) Remove(key string) {
 	}
 }
 
+func (h *MySQLHandler) List() []Item {
+	rows, err := h.db.Query("SELECT module, name, value FROM "+h.tableName+" where module = ? ORDER BY name", h.module)
+	if err != nil {
+		log.Println(err)
+		return nil
+	}
+	defer rows.Close()
+	var items []Item
+	for rows.Next() {
+		var item Item
+		if err := rows.Scan(&item.module, &item.key, &item.value); err != nil {
+			log.Println(err)
+			return []Item{}
+		}
+		items = append(items, item)
+	}
+	return items
+}
+
 // 检查表是否存在
 func checkTableExists(db *sql.DB, tableName string) bool {
 	query := fmt.Sprintf("SHOW TABLES LIKE '%s'", tableName)
@@ -268,6 +297,20 @@ func (h *PropertiesHandler) Remove(key string) {
 	delete(*h.configMap, keyOfFile)
 }
 
+func (h *PropertiesHandler) List() []Item {
+	var items []Item
+	for k, v := range *h.configMap {
+		if strings.HasPrefix(k, h.module+".") {
+			items = append(items, Item{
+				module: h.module,
+				key:    k[len(h.module)+1:],
+				value:  v,
+			})
+		}
+	}
+	return items
+}
+
 func removeKeyFromProperties(path string, key string) error {
 	// 尝试打开文件，如果文件不存在则返回错误
 	file, err := os.OpenFile(path, os.O_RDWR, 0644)
diff --git a/go.mod b/go.mod
index 838e339..6390b53 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,6 @@ module github.com/kiririx/easy-config
 
 go 1.23.3
 
-require (
-	filippo.io/edwards25519 v1.1.0 // indirect
-	github.com/go-sql-driver/mysql v1.8.1 // indirect
-)
+require github.com/go-sql-driver/mysql v1.8.1
+
+require filippo.io/edwards25519 v1.1.0 // indirect