diff --git a/javascripts/rain.js b/javascripts/rain.js
deleted file mode 100644
index e9ceff8..0000000
--- a/javascripts/rain.js
+++ /dev/null
@@ -1,93 +0,0 @@
-// forked from m_hijazee's "rain" http://jsdo.it/m_hijazee/cB1q
-var canvas = document.getElementById("show-rain");
-canvas.width = "800";
-canvas.height = "600";
-var ctx = canvas.getContext("2d");
-var drops = [];
-
-var MAX_DROPS = 500;
-
-var lineargradient = ctx.createLinearGradient(canvas.width/2,0,canvas.width/2,canvas.height);  
-/* Drop Class. Lets being the digital rain! */
-function Drop(){
-  
-   
-  this.x = Math.floor(Math.random()*canvas.width);
-  this.y = 0;
-  this.width = Math.floor(Math.random()*4+1);
-  this.shade = Math.floor(Math.random()*180+50);
-  this.color = "rgba(" + this.shade + "," + this.shade + "," + this.shade + ", 0.5)";
-  
-  this.vy = 3 + this.width*Math.random()*12;
-    
-  this.vx = 0;
-
-  
-  this.draw = function(ctx){
-      ctx.fillStyle = this.color;
-      ctx.fillRect(this.x, this.y, this.width, this.height);
-  };
-  
-  this.fall = function(ctx){
-    
-    
-    if(this.y >= canvas.height){
-      this.x = Math.floor(Math.random()*canvas.width);
-      this.y = 0;
-      this.width = Math.floor(Math.random()*1+1);
-      this.vy = 3 + this.width*Math.random()*20;
-      this.height = this.vy*0.75;
-    }
-    
-    this.y += this.vy;
-    this.x += this.vx;
-    
-     this.draw(ctx);
-  };
-}
-
-var lightning = false;
-function doLightning(){
-    lightning = true;
-    setTimeout(function(){
-    	lightning = false;
-	setTimeout(function(){
-    	 lightning = true;
-	    	setTimeout(function(){
-    		 lightning = false;
-		},  100);
-	},  100);
-    },  100);
-    setTimeout(doLightning, 5000 + Math.random() * 10000);
-};
-//doLightning();
-
-function Update(){
-  ctx.clearRect(0, 0,canvas.width, canvas.height);
-    if(lightning){
-	  ctx.fillStyle = "#fff";
-    } else {
-      ctx.fillStyle = lineargradient;
-    }
-  ctx.fillRect(0,0,canvas.width, canvas.height);
-  for(var i =0; i < MAX_DROPS; i++)
-    drops[i].fall(ctx);
-}
-
-
-function init(){
-   for(var i =0; i < MAX_DROPS; i++)
-     drops[i] = new Drop();
-  setInterval(Update, 20);
-}
-
-
-function cleanUp(){
-  
-  for(var i =0; i < MAX_DROPS; i++)
-    delete drops[i];
-}
-
-
-init();
-
diff --git a/night.html b/night.html
index 1d93930..a65ab10 100644
--- a/night.html
+++ b/night.html
@@ -1,3 +1,4 @@
+<!--  黑夜使用 - 这里与白天一样，css样式不放于css文件，便于直接更新  -->
 <img src="images/weather/night/moon.png"  id="moon" style="top: 100px;position:absolute;left:60px;width:100px "></img>
 <img src="images/weather/night/star_f.png" id="star_f" style="top: 170px;position:absolute;left:400px;width:60px ">
 <img src="images/weather/night/star_s.png" id="star_s" style="top: 240px;position:absolute;left:83px;width:40px; -moz-transform: rotate(180deg)">
diff --git a/stylesheets/bootstrap-responsive.css b/stylesheets/bootstrap-responsive.css
index e80eca6..46020be 100644
--- a/stylesheets/bootstrap-responsive.css
+++ b/stylesheets/bootstrap-responsive.css
@@ -1,12 +1,3 @@
-/*!
- * Bootstrap Responsive v2.0.2
- *
- * Copyright 2012 Twitter, Inc
- * Licensed under the Apache License v2.0
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Designed and built with all the love in the world @twitter by @mdo and @fat.
- */
 .clearfix {
   *zoom: 1;
 }
@@ -27,10 +18,6 @@
   display: block;
   width: 100%;
   min-height: 28px;
-  /* Make inputs at least the height of their button counterpart */
-
-  /* Makes inputs behave like true block-level elements */
-
   -webkit-box-sizing: border-box;
   -moz-box-sizing: border-box;
   -ms-box-sizing: border-box;
diff --git a/stylesheets/docs.css b/stylesheets/docs.css
index aa2496a..38713cf 100644
--- a/stylesheets/docs.css
+++ b/stylesheets/docs.css
@@ -7,8 +7,6 @@ body {
 }
 
 
-/* Tweak navbar brand link to be super sleek
--------------------------------------------------- */
 .navbar-fixed-top .brand {
   padding-right: 0;
   padding-left: 0;
@@ -25,13 +23,10 @@ body {
 }
 
 
-/* Space out sub-sections more
--------------------------------------------------- */
 section {
   padding-top: 60px;
 }
 
-/* Faded out hr */
 hr.soften {
   height: 1px;
   margin: 54px 0;
diff --git a/stylesheets/stylesheet.css b/stylesheets/stylesheet.css
index 07b99e6..8b31ab1 100644
--- a/stylesheets/stylesheet.css
+++ b/stylesheets/stylesheet.css
@@ -1,12 +1,3 @@
-/*!
- * Bootstrap v2.0.2
- *
- * Copyright 2012 Twitter, Inc
- * Licensed under the Apache License v2.0
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Designed and built with all the love in the world @twitter by @mdo and @fat.
- */
 article,
 aside,
 details,