diff --git a/README.md b/README.md
index 5fc5b0f..2b81a74 100644
--- a/README.md
+++ b/README.md
@@ -168,7 +168,7 @@ MiniCPM-V 4.5 can be easily used in various ways: (1) [llama.cpp](https://github
   <img src="./assets/radar_minicpm_v45.png", width=60%>
 </div>
 <div align="center">
-<img src="./assets/minicpmv_4_5_evaluation_results.jpg" , width=100%>
+<img src="./assets/minicpmv_4_5_evaluation_results.png" , width=80%>
 </div>
 
 
diff --git a/README_zh.md b/README_zh.md
index 4e1195d..84cc0bb 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -159,7 +159,7 @@
   <img src="./assets/radar_minicpm_v45.png", width=80%>
 </div>
 <div align="center">
-<img src="./assets/minicpmv_4_5_evaluation_results.jpg" , width=80%>
+<img src="./assets/minicpmv_4_5_evaluation_results.png" , width=80%>
 </div>
 
 
diff --git a/assets/minicpmv_4_5_evaluation_results.jpg b/assets/minicpmv_4_5_evaluation_results.jpg
deleted file mode 100644
index 66baeb8..0000000
Binary files a/assets/minicpmv_4_5_evaluation_results.jpg and /dev/null differ
diff --git a/assets/minicpmv_4_5_evaluation_results.png b/assets/minicpmv_4_5_evaluation_results.png
index c37fc13..6e188d5 100644
Binary files a/assets/minicpmv_4_5_evaluation_results.png and b/assets/minicpmv_4_5_evaluation_results.png differ