diff --git a/03-JavaScript/02-JavaScript语法基础：运算符和表达式.md b/03-JavaScript/02-JavaScript语法基础：运算符和表达式.md
index b8b39e7..33fee0c 100644
--- a/03-JavaScript/02-JavaScript语法基础：运算符和表达式.md
+++ b/03-JavaScript/02-JavaScript语法基础：运算符和表达式.md
@@ -14,7 +14,8 @@
 
 常见的数学运算符有以下几种：
 
-![](http://img.smyhvae.com/20180117_1650.png)
+![](http://img.smyhvae.com/20180117_1651.png)
+
 
 **求余的举例**：