diff --git a/internal/web/actions/default/setup/validateApi.go b/internal/web/actions/default/setup/validateApi.go
index 02e5d461..b8ffe94f 100644
--- a/internal/web/actions/default/setup/validateApi.go
+++ b/internal/web/actions/default/setup/validateApi.go
@@ -59,12 +59,20 @@ func (this *ValidateApiAction) RunPost(params struct {
 			this.FailField("newPort", "端口号不能大于65534")
 		}
 
-		conn, err := net.Dial("tcp", "127.0.0.1:"+params.NewPort)
-		if err == nil {
-			_ = conn.Close()
-			this.FailField("newPort", "此端口已经被别的服务占用，请换一个")
+		if net.ParseIP(params.NewHost) == nil {
+			this.FailField("newHost", "请输入正确的节点主机地址")
 		}
 
+		listener, err := net.Listen("tcp", params.NewHost+":"+params.NewPort)
+		if err != nil {
+			if strings.Contains(err.Error(), "in use") {
+				this.FailField("newPort", "端口 \""+params.NewPort+"\" 已经被别的服务占用，请关闭正在使用此端口的其他应用程序，或者使用另外一个端口")
+			} else {
+				this.FailField("newHost", "无法正确绑定端口地址，请检查主机地址："+err.Error())
+			}
+		}
+		_ = listener.Close()
+
 		params.Must.
 			Field("newHost", params.NewHost).
 			Require("请输入节点主机地址")
diff --git a/internal/web/actions/default/setup/validateDb.go b/internal/web/actions/default/setup/validateDb.go
index f5df5f19..851945f3 100644
--- a/internal/web/actions/default/setup/validateDb.go
+++ b/internal/web/actions/default/setup/validateDb.go
@@ -47,6 +47,10 @@ func (this *ValidateDbAction) RunPost(params struct {
 		this.Fail("数据库信息错误：" + err.Error())
 	}
 
+	defer func() {
+		_ = db.Close()
+	}()
+
 	err = db.Raw().Ping()
 	if err != nil {
 		// 是否是数据库不存在
@@ -62,10 +66,24 @@ func (this *ValidateDbAction) RunPost(params struct {
 				this.Fail("尝试创建数据库失败：" + err.Error())
 			}
 		} else {
+			if strings.Contains(err.Error(), "Error 1044:") {
+				this.Fail("无法连接到数据库，权限检查失败：" + err.Error())
+			}
 			this.Fail("无法连接到数据库，请检查配置：" + err.Error())
 		}
 	}
 
+	// 检查权限
+	_, err = db.Exec("CREATE TABLE IF NOT EXISTS `edgeTest` ( `id` int )")
+	if err != nil {
+		this.Fail("当前连接的用户无法创建新表，请检查CREATE权限设置：" + err.Error())
+	}
+
+	_, err = db.Exec("ALTER TABLE `edgeTest` CHANGE `id` `id` int")
+	if err != nil {
+		this.Fail("当前连接的用户无法修改表结构，请检查ALTER权限设置：" + err.Error())
+	}
+
 	// 检查数据库版本
 	one, err := db.FindOne("SELECT VERSION() AS v")
 	if err != nil {