diff --git a/README.md b/README.md
index b561da63b..479952e6e 100644
--- a/README.md
+++ b/README.md
@@ -71,7 +71,7 @@ ___
 
 
 # Quick View
-* distributed tracer
+* distributed trace
 
 ![追踪连路图1](docs/resources/callChain.png)
 
diff --git a/docs/resources/callChain.png b/docs/resources/callChain.png
index 69917a04c..5a126300b 100644
Binary files a/docs/resources/callChain.png and b/docs/resources/callChain.png differ
diff --git a/docs/resources/callChainDetail.png b/docs/resources/callChainDetail.png
index 14a545703..90bf9ec2c 100644
Binary files a/docs/resources/callChainDetail.png and b/docs/resources/callChainDetail.png differ
diff --git a/docs/resources/callChainLog.png b/docs/resources/callChainLog.png
index e5056b333..7e6a69d6d 100644
Binary files a/docs/resources/callChainLog.png and b/docs/resources/callChainLog.png differ
diff --git a/docs/resources/demo-application-cluster-tracer.jpg b/docs/resources/demo-application-cluster-tracer.jpg
index 2c1e91a92..5a126300b 100644
Binary files a/docs/resources/demo-application-cluster-tracer.jpg and b/docs/resources/demo-application-cluster-tracer.jpg differ