Update zh-CN

assets/index.zh-CN.html

@@ -126,7 +126,7 @@
 	    </label>
 	    <label><input type="radio" name="noise" class="radio" value="0" checked>
 	      <span class="r-text">
-		Low
+		低
 	      </span>
 	    </label>
 	    <label><input type="radio" name="noise" class="radio" value="1" checked>