set md column width

public/js/app/page.js

@@ -314,14 +314,14 @@ var Resize = {
 	// 设置宽度
 	setMdColumnWidth: function(mdEditorWidth) { 
 		var self = this;
-		if(mdEditorWidth > 100) {
+		var allWidth = $('#note').width();
+		if(mdEditorWidth > 100 && mdEditorWidth < allWidth - 80) {
 			UserInfo.MdEditorWidth = mdEditorWidth;
-			log(mdEditorWidth)
 			self.leftColumn.width(mdEditorWidth);
 			self.rightColumn.css("left", mdEditorWidth);
 			// self.mdSplitter.css("left", mdEditorWidth);
 		}
-		
+
 		// 这样, scrollPreview 才会到正确的位置
 		if(MD) {
 			MD.onResize();