diff --git a/README-zh.md b/README-zh.md
index 596cf09..7dce8c3 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -34,6 +34,8 @@ WR.DO 是一个一站式网络工具平台，集成短链服务、临时邮箱
 - 🌐 **子域名管理服务**：
   - 支持管理多 Cloudflare 账户下的多个域名的 DNS 记录
   - 支持创建多种 DNS 记录类型（CNAME、A、TXT 等）
+  - 支持开启申请模式（用户提交、管理员审批）
+  - 支持邮件通知管理员、用户域名申请状态
 
 - 📡 **开放接口模块**：
   - 获取网站元数据 API
diff --git a/README.md b/README.md
index 3e5e6ee..cae830d 100644
--- a/README.md
+++ b/README.md
@@ -33,6 +33,8 @@ WR.DO is a all-in-one web utility platform featuring short links with analytics,
 - 🌐 **Subdomain Management Service**:
   - Manage DNS records across multiple Cloudflare accounts and domains
   - Create various DNS record types (CNAME, A, TXT, etc.)
+  - Support enabling application mode (user submission, admin approval)
+  - Support email notification of administrator and user domain application status
 
 - 📡 **Open API Module**:
   - Website metadata extraction API
diff --git a/lib/validations/url.ts b/lib/validations/url.ts
index 0fd6582..c5cdee4 100644
--- a/lib/validations/url.ts
+++ b/lib/validations/url.ts
@@ -1,5 +1,7 @@
 import * as z from "zod";
 
+import { isValidUrl } from "../utils";
+
 /*
   support:
     xxx
@@ -13,13 +15,14 @@ import * as z from "zod";
     -xxx-
 */
 const urlPattern = /^(?!-)[a-zA-Z0-9]+(-[a-zA-Z0-9]+)*(?<!-)$/;
+
 const targetPattern =
-  /^(https?:\/\/)([a-zA-Z0-9-]+\.)+[a-zA-Z]{2,}(:\d+)?(\/[a-zA-Z0-9-_.]*)*(\/|\?([a-zA-Z0-9-_.]+=[a-zA-Z0-9-_.]*(&[a-zA-Z0-9-_.]+=[a-zA-Z0-9-_.]*)*)?)?(\.[a-zA-Z]{2,6})?$/;
+  /^(https?:\/\/)?([a-zA-Z0-9-]+\.)+[a-zA-Z]{2,}(:\d+)?(\/[^\s<>"{}|\\^`\[\]]*)?(\?[^\s<>"{}|\\^`\[\]]*)?(\#[^\s<>"{}|\\^`\[\]]*)?$/;
 
 export const createUrlSchema = z.object({
   id: z.string().optional(),
-  target: z.string().min(6).regex(targetPattern, "Invalid target URL format"),
-  url: z.string().min(2).regex(urlPattern, "Invalid URL format"),
+  target: z.string().min(1).regex(targetPattern, "Invalid target URL format"),
+  url: z.string().min(1).regex(urlPattern, "Invalid URL format"),
   expiration: z.string().default("-1"),
   visible: z.number().default(1),
   active: z.number().default(1),
diff --git a/public/sw.js.map b/public/sw.js.map
index 472a4da..728be10 100644
--- a/public/sw.js.map
+++ b/public/sw.js.map
@@ -1 +1 @@
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