diff --git a/examples/util.html b/examples/util.html
index 09ef0182..90f5440f 100644
--- a/examples/util.html
+++ b/examples/util.html
@@ -217,6 +217,16 @@ layui.use(['lay', 'util', 'layer'], function(){
     toDateString($('#test2').val())
   }, 50)
 
+  console.log(util.toDateString('2025-3-8 12:30:00') === '2025-03-08 12:30:00');
+  console.log(util.toDateString('2025-03-08 12:30:00') === '2025-03-08 12:30:00');
+  console.log(util.toDateString('2025-03-08') === '2025-03-08 00:00:00');
+  console.log(util.toDateString('2025-3-8') === '2025-03-08 00:00:00');
+  console.log(util.toDateString('2025-3') === '2025-03-01 00:00:00');
+  console.log(util.toDateString(null) === '');
+  console.log(util.toDateString(undefined) ===  util.toDateString(new Date()));
+  console.log(util.toDateString('') === '');
+  console.log(util.toDateString('2025/3/8 12:30:00') === '2025-03-08 12:30:00');
+  console.log(util.toDateString('2025/3/8') === '2025-03-08 00:00:00');
 });
 </script>
 </body>
diff --git a/src/modules/util.js b/src/modules/util.js
index 7fb37649..5d975592 100644
--- a/src/modules/util.js
+++ b/src/modules/util.js
@@ -261,11 +261,36 @@ layui.define('jquery', function(exports){
       // 引用自 dayjs
       // https://github.com/iamkun/dayjs/blob/v1.11.9/src/constant.js#L30
       var REGEX_FORMAT = /\[([^\]]+)]|y{1,4}|M{1,2}|d{1,2}|H{1,2}|h{1,2}|a|A|m{1,2}|s{1,2}|SSS/g;
+      var REGEX_PARSE = /^(\d{4})[-/]?(\d{1,2})?[-/]?(\d{0,2})[T\s]*(\d{1,2})?:?(\d{1,2})?:?(\d{1,2})?[.:]?(\d+)?$/i;
       var that = this;
-      var date = new Date(function(){
-        if(!time) return;
-        return isNaN(time) ? time : (typeof time === 'string' ? parseInt(time) : time)
-      }() || new Date())
+
+      var normalizeDate = function(date) {
+        if(typeof date === 'undefined'){
+          return new Date();
+        }
+        if(!isNaN(date)){
+          return new Date(typeof date === 'string' ? parseInt(date) : date);
+        }
+        if(typeof date === 'string' && !/Z$/i.test(date)){
+          var d = date.match(REGEX_PARSE);
+          if(d){
+            var m = d[2] - 1 || 0;
+            var ms = (d[7] || '0').substring(0, 3);
+            return new Date(
+              d[1],
+              m,
+              d[3] || 1,
+              d[4] || 0,
+              d[5] || 0,
+              d[6] || 0,
+              ms
+            );
+          }
+        }
+      
+        return new Date(date)
+      }
+      var date = normalizeDate(time);
 
       if(!date.getDate()) return hint.error('Invalid millisecond for "util.toDateString(millisecond)"'), '';