diff --git a/README.md b/README.md
index 6a54c85..75ebfe2 100644
--- a/README.md
+++ b/README.md
@@ -248,7 +248,7 @@ vscode应用商店中搜索"**any-rule**".
 
 ### date(日期)
 ```javascript
-/^\d{4}(-)(1[0-2]|0?\d)\1([0-2]\d|\d|30|31)$/
+/^\d{1,4}(-)(1[0-2]|0?[1-9])\1(0?[1-9]|[1-2]\d|30|31)$/
 ```
 
 ### email(邮箱)
diff --git a/packages/www/src/RULES.js b/packages/www/src/RULES.js
index cbd3d94..4b5b0cb 100644
--- a/packages/www/src/RULES.js
+++ b/packages/www/src/RULES.js
@@ -191,8 +191,9 @@ module.exports = [{
 },
 {
     title: 'date(日期)',
-    rule: /^\d{4}(-)(1[0-2]|0?\d)\1([0-2]\d|\d|30|31)$/,
-    examples: ['1990-12-12', '2020-1-1']
+    rule: /^\d{1,4}(-)(1[0-2]|0?[1-9])\1(0?[1-9]|[1-2]\d|30|31)$/,
+    examples: ['1990-12-12', '1-1-1','0000-1-1'],
+    counterExamples: ['2020-00-01']
 },
 {
     title: 'email(邮箱)',