diff --git a/public/assets/kindeditor/kindeditor.js b/public/assets/kindeditor/kindeditor.js
index 39ce0abdb..6b0f1621b 100644
--- a/public/assets/kindeditor/kindeditor.js
+++ b/public/assets/kindeditor/kindeditor.js
@@ -3311,6 +3311,7 @@ _each(('formatblock,selectall,justifyleft,justifycenter,justifyright,justifyfull
 		if (!_IERANGE || _inArray(name, 'formatblock,selectall,insertorderedlist,insertunorderedlist'.split(',')) >= 0) {
 			self.selection();
 		}
+
 		return self;
 	};
 });
@@ -5752,7 +5753,7 @@ _plugin('core', function(K) {
 				h2 : 24,
 				h3 : 18,
 				H4 : 14,
-				p : 12
+                p : 12
 			},
 			curVal = self.cmd.val('formatblock'),
 			menu = self.createMenu({
@@ -5770,6 +5771,14 @@ _plugin('core', function(K) {
 				checked : (curVal === key || curVal === val),
 				click : function() {
 					self.select().exec('formatblock', '<' + key + '>').hideMenu();
+                    //by yk利用html的特性使h1 h2 h3 h4标签之间不能相互包含 并将空的标签去掉
+                    if (key != "p"){
+                        var val = self.select().html();
+                        self.select().html(val);
+                        val = self.select().html().replace(/(<h1>\s*<\/h1>)|(<h2>\s*<\/h2>)|(<h3>\s*<\/h3>)|(<h4>\s*<\/h4>)/g,"");
+                        self.select().html(val);
+                        self.select();
+                    }
 				}
 			});
 		});
diff --git a/public/assets/kindeditor/plugins/code/previewcode.css b/public/assets/kindeditor/plugins/code/previewcode.css
index 352c77625..459fbd5d6 100644
--- a/public/assets/kindeditor/plugins/code/previewcode.css
+++ b/public/assets/kindeditor/plugins/code/previewcode.css
@@ -53,4 +53,4 @@ span.at a{color:#269ac9;text-decoration: none;}
 /*yk*/
 .ke-content ol li{list-style-type: decimal;}
 .ke-content ul li{list-style-type: disc;}
-.ke-content ol,.ke-content ul{margin-top:0;margin-bottom: 0;}
\ No newline at end of file
+.ke-content ol,.ke-content ul,.ke-content h1,.ke-content h2,.ke-content h3,.ke-content h4{margin-top:0;margin-bottom: 0;}
\ No newline at end of file