diff --git a/7.4分块查找.md b/7.4分块查找.md
index b89cac1..4f07f9e 100644
--- a/7.4分块查找.md
+++ b/7.4分块查找.md
@@ -12,7 +12,7 @@
 ①在`索引表`中确定待查记录所属的分块（`可顺序、可折半`）
 ②在`块内顺序查找`
 
-![uTools_1638257539381](F:\408数据结构\图片\uTools_1638257539381.png)
+![uTools_1638257539381](https://github.com/oxyanyano/2022-WangDao-CS-DS-Notes/blob/main/images/uTools_1638257539381.png)
 
 #### 用折半查找索引表：
 
@@ -20,9 +20,9 @@
 
 ### 三、查找效率分析
 
-![uTools_1638258212238](F:\408数据结构\图片\uTools_1638258212238.png)
+![uTools_1638258212238](https://github.com/oxyanyano/2022-WangDao-CS-DS-Notes/blob/main/images/uTools_1638258212238.png)
 
-![uTools_1638258279430](F:\408数据结构\图片\uTools_1638258279430.png)
+![uTools_1638258279430](https://github.com/oxyanyano/2022-WangDao-CS-DS-Notes/blob/main/images/uTools_1638258279430.png)
 
 ### 四、分块查找的优化
 
@@ -30,4 +30,4 @@
 
 改进：索引表为顺序表，查找表为链表。
 
-![1638258852038](F:\408数据结构\图片\1638258852038.jpg)
\ No newline at end of file
+![1638258852038](https://github.com/oxyanyano/2022-WangDao-CS-DS-Notes/blob/main/images/1638258852038.jpg)