diff --git a/extract_from_ass_subtitle/2. extract_head.js b/extract_from_ass_subtitle/2. extract_head.js
index 6b747ab..b220232 100644
--- a/extract_from_ass_subtitle/2. extract_head.js	
+++ b/extract_from_ass_subtitle/2. extract_head.js	
@@ -4,11 +4,13 @@ const common = require('./common.js');
 const path = require('path')
 
 /*
+2018-6-8 周五 03:42
+
 1. 是什么：
-  从 .ass 字幕文件中提取片头文字（共2行字幕）
+  从 40 个 .ass 字幕文件中提取片头文字（共2行字幕，字幕样式名统一）
   仅针对 [计算机科学速成课] Crash Course Computer Science
 
-2. 如何使用：
+2. 使用方法：
   node 2.\ extract_head.js
 
 3. 备注：
diff --git a/extract_from_ass_subtitle/3. extract_ass_to_txt.js b/extract_from_ass_subtitle/3. extract_ass_to_txt.js
index 3e23f27..4396e3f 100644
--- a/extract_from_ass_subtitle/3. extract_ass_to_txt.js	
+++ b/extract_from_ass_subtitle/3. extract_ass_to_txt.js	
@@ -1,11 +1,13 @@
+// ass to txt
+// 不写注释了，参考 2. extract_head.js 即可
+
 const assParser = require('ass-parser');
 const fs = require('fs');
 const common = require('./common.js');
 const path = require('path')
 
 var result = ''
-
-var folder = '/Users/remote_edit/Desktop/ass/'
+var folder = '/Users/remote_edit/Desktop/ass/' // 40 集字幕文件的文件夹
 
 function loop_current_folder_ass_file_in_order(){
   fs.readdir(folder, (err, files) => {
@@ -15,7 +17,6 @@ function loop_current_folder_ass_file_in_order(){
         var ext = path.extname(file);   // ext == ass
         if (parseInt(number) === i && ext === '.ass'){
           extract_main_point(folder+file, number);
-          // console.log(file);
         }
       });
     }
@@ -36,16 +37,10 @@ function extract_main_point(file, number){
         text = common.remove_curly_brace_keep_text(text);
         result = result + text.trim() + '\n';
       }
-    }
-  }
-
-  for (var i = 0; i <= body.length-1; i++) {
-    var element = body[i];
-    if (element.key == 'Dialogue') {
       if (element.value.Style == 'zh - 黄色'){
         var text = element.value.Text;
         text = common.remove_curly_brace_keep_text(text);
-        result = result + text.trim() + '\n';
+        result = result + text.trim() + '\n\n';
       }
     }
   }