Update broken images (#771)

diff --git a/blog/en-us/Apache_DolphinScheduler_s_Graduation_From_ASF_Incubator.md b/blog/en-us/Apache_DolphinScheduler_s_Graduation_From_ASF_Incubator.md
index c793f4f..06bbec7 100644
--- a/blog/en-us/Apache_DolphinScheduler_s_Graduation_From_ASF_Incubator.md
+++ b/blog/en-us/Apache_DolphinScheduler_s_Graduation_From_ASF_Incubator.md
@@ -7,7 +7,7 @@
 
 <div align=center>
 
-<img src="img/2022-4-14/3.png"/>
+<img src="/img/2022-4-14/3.png"/>
 
 </div>
 
@@ -47,7 +47,7 @@
 
 <div align=center>
 
-<img src="img/2022-4-14/2.png"/>
+<img src="/img/2022-4-14/2.png"/>
 
 </div>
 
diff --git a/blog/zh-cn/Apache_DolphinScheduler_s_Graduation_From_ASF_Incubator.md b/blog/zh-cn/Apache_DolphinScheduler_s_Graduation_From_ASF_Incubator.md
index 219af47..e21175a 100644
--- a/blog/zh-cn/Apache_DolphinScheduler_s_Graduation_From_ASF_Incubator.md
+++ b/blog/zh-cn/Apache_DolphinScheduler_s_Graduation_From_ASF_Incubator.md
@@ -2,8 +2,7 @@
 
 <div align=center>
 
-<img src="img/2022-4-14/1.png"/>
-
+<img src="/img/2022-4-14/1.png"/>
 </div>
 
 不知不觉,Apache DolphinScheduler 已经从 Apache 软件基金会(以下简称 ASF)孵化器毕业一年啦!
@@ -37,7 +36,7 @@
 * dev@dolphinscheduler.apache.org 流量较上季度增加了 64%
 <div align=center>
 
-<img src="img/2022-4-14/2.png"/>
+<img src="/img/2022-4-14/2.png"/>
 
 </div>