docs: add usage
diff --git a/tools/erlanalysis/README.md b/tools/erlanalysis/README.md
index d59dd65..6641cc1 100644
--- a/tools/erlanalysis/README.md
+++ b/tools/erlanalysis/README.md
@@ -1,2 +1,14 @@
# erlanalysis
parse dubbo interface to erlang lib
+
+## Usage
+
+### Step1
+ mvn pacakge -Dmaven.skip.test=true
+
+### Steps2
+```
+java -jar target/erlanalysis-1.0.jar groupId artifactId version
+## example:
+## java -jar target/erlanalysis-1.0.jar org.apache.dubbo.erlang dubbo-sample-service 1.3
+```
\ No newline at end of file
