diff --git a/public/assets/kindeditor/plugins/autoheight/autoheight.js b/public/assets/kindeditor/plugins/autoheight/autoheight.js
index 546578bfa..3c25fe49e 100644
--- a/public/assets/kindeditor/plugins/autoheight/autoheight.js
+++ b/public/assets/kindeditor/plugins/autoheight/autoheight.js
@@ -27,7 +27,9 @@ KindEditor.plugin('autoheight', function(K) {
 		var edit = self.edit;
 		var body = edit.doc.body;
 		edit.iframe.height(minHeight);
-		self.resize(null, Math.max((K.IE ? body.scrollHeight : body.offsetHeight) + 76, minHeight));
+		self.resize(null, Math.max(
+            (K.IE ? body.scrollHeight : body.offsetHeight)
+                + 76, minHeight));
 	}
 
 	function init() {
@@ -35,7 +37,12 @@ KindEditor.plugin('autoheight', function(K) {
 
 		self.edit.afterChange(resetHeight);
 		hideScroll();
-		resetHeight();
+        var edit = self.edit;
+        var body = edit.doc.body;
+        edit.iframe.height(minHeight);
+        self.resize(null, Math.max(
+                ((K.IE ? body.scrollHeight : body.offsetHeight) > 500 ? 500 : (K.IE ? body.scrollHeight : body.offsetHeight)) //限制初始化太高的情况
+                + 76, minHeight));
 	}
 
 	if (self.isCreated) {