diff --git a/index.js b/index.js
index 989354d..24ccde7 100644
--- a/index.js
+++ b/index.js
@@ -1,16 +1,16 @@
 /*
  * @Author: kael 
  * @Date: 2018-02-14 17:50:28 
- * @Last Modified by: kael
- * @Last Modified time: 2018-07-10 16:50:09
+ * @Last Modified by: zhudui
+ * @Last Modified time: 2022-09-18 22:30
  */
 
 module.exports = {
   mobile: /^1\d{10}$/,
   qq: /^[1-9]\d{4,10}$/,
   number: /^[-+]?(?:\d+(?:\.\d*)|(?:\d*\.)?\d+)$/,
-  email: /^.$/,
-  url: /^.$/,
-  ipv4: /^.$/,
-  idcard: /^.$/,
+  email: /^[A-Za-z0-9\u4e00-\u9fa5]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+$/,
+  url: /^https?:\/\/[-A-Za-z0-9+&@#/%?=~_|!:,.;]+[-A-Za-z0-9+&@#/%=~_|]$/,
+  ipv4: /^((25[0-5]|2[0-4]\d|((1\d{2})|([1-9]?\d)))\.){3}(25[0-5]|2[0-4]\d|((1\d{2})|([1-9]?\d)))$/,
+  idcard: /^[1-9]\d{5}(18|19|20)\d{2}((0[1-9])|(1[0-2]))(([0-2][1-9])|10|20|30|31)\d{3}[0-9Xx]$/,
 };
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