diff --git a/docs/desgin-archive/koordlet-architecture.md b/docs/desgin-archive/koordlet-architecture.md
index 125d2093a..e8876425f 100644
--- a/docs/desgin-archive/koordlet-architecture.md
+++ b/docs/desgin-archive/koordlet-architecture.md
@@ -39,7 +39,7 @@ module is necessary, which can avoid making the code bloated the logic more comp
- Provide implementation details of modules.
## Architecture
-![image](../images/koordlet-arch.png)
+![image](../images/koordlet-arch.svg)
### Modules
@@ -85,7 +85,7 @@ different kinds of policies, and provides flexible extension points during the l
## Use Cases
### LLC Isolation Injections during Pod Lifecycle
-![image](../images/llc-isolation.png)
+![image](../images/llc-isolation.svg)
### CPU-Suppress on BE Pods to Mitigate Resource Interference
-![image](../images/cpu-suppress.png)
+![image](../images/cpu-suppress.svg)
diff --git a/docs/images/cpu-suppress.png b/docs/images/cpu-suppress.png
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diff --git a/docs/images/koordlet-arch.png b/docs/images/koordlet-arch.png
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diff --git a/docs/images/llc-isolation.png b/docs/images/llc-isolation.png
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