diff --git a/README.md b/README.md
index 9addeb0..cd75b90 100644
--- a/README.md
+++ b/README.md
@@ -266,12 +266,12 @@ vscode应用商店中搜索"**any-rule**".
 
 ### 身份证号(1代,15位数字)
 ```javascript
-/^[1-9]\d{7}(0\d|10|11|12)([0-2]\d|30|31)\d{3}$/
+/^[1-9]\d{7}(?:0\d|10|11|12)(?:0[1-9]|[1-2][\d]|30|31)\d{3}$/
 ```
 
 ### 身份证号(2代,18位数字),最后一位是校验位,可能为数字或字符X
 ```javascript
-/^[1-9]\d{5}(18|19|20)\d{2}(0\d|10|11|12)([0-2]\d|30|31)\d{3}[\dXx]$/
+/^[1-9]\d{5}(?:18|19|20)\d{2}(?:0\d|10|11|12)(?:0[1-9]|[1-2]\d|30|31)\d{3}[\dXx]$/
 ```
 
 ### 身份证号, 支持1/2代(15位/18位数字)
diff --git a/packages/www/src/RULES.js b/packages/www/src/RULES.js
index 03b6fff..66044d6 100644
--- a/packages/www/src/RULES.js
+++ b/packages/www/src/RULES.js
@@ -196,12 +196,12 @@ module.exports = [{
     },
     {
         title: '身份证号(1代,15位数字)',
-        rule: /^[1-9]\d{7}(0\d|10|11|12)([0-2]\d|30|31)\d{3}$/,
+        rule: /^[1-9]\d{7}(?:0\d|10|11|12)(?:0[1-9]|[1-2][\d]|30|31)\d{3}$/,
         examples: ['123456991010193']
     },
     {
         title: '身份证号(2代,18位数字),最后一位是校验位,可能为数字或字符X',
-        rule: /^[1-9]\d{5}(18|19|20)\d{2}(0\d|10|11|12)([0-2]\d|30|31)\d{3}[\dXx]$/,
+        rule: /^[1-9]\d{5}(?:18|19|20)\d{2}(?:0\d|10|11|12)(?:0[1-9]|[1-2]\d|30|31)\d{3}[\dXx]$/,
         examples: ['12345619991205131x']
     },
     {