diff --git a/Makefile b/Makefile
index ac05fcd..6c9242a 100644
--- a/Makefile
+++ b/Makefile
@@ -8,7 +8,11 @@ export PROFILE=release
 co:compile
 compile:
 	./rebar3 compile
-
+redis_api:
+    ## debug
+	cargo build -p redis_api
+	## release
+	cargo build -p redis_api --release
 es:escriptize
 escriptize: clean
 	./rebar3 escriptize
diff --git a/README.md b/README.md
index fed9b5d..da9842a 100644
--- a/README.md
+++ b/README.md
@@ -356,6 +356,8 @@ dtrace: system integrity protection is on, some features will not be available
 dtrace: description 'profile-997 ' matched 1 probe
 ```
 #### Start redis-server
+First of all build redis_api `make redis_api` then output library to `target/debug/libredis_api.dylib` or 
+`target/release/libredis_api.dylib`. The below command to load redis module
 ```shell
 $ redis-server --loadmodule target/debug/libredis_api.dylib
 42527:C 11 Jan 2022 17:24:07.942 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
diff --git a/crates/build_crates.sh b/crates/build_crates.sh
index 3decc8c..0284135 100755
--- a/crates/build_crates.sh
+++ b/crates/build_crates.sh
@@ -5,6 +5,7 @@ touch crates/big_data/build.rs
 build(){
     mkdir -p ./priv
     cargo build --manifest-path=crates/big_data/Cargo.toml --release
+    cargo build --manifest-path=crates/big_data/redis_api/Cargo.toml --release
     sh -c "cp $(cat crates/big_data/libpath) ./priv/libbig_data.so "
 }
 test(){
@@ -17,6 +18,7 @@ clippy(){
 clean(){
     rm -rf crates/big_data/libpath
     cargo clean --manifest-path=crates/big_data/Cargo.toml  
+    cargo clean --manifest-path=crates/big_data/redis_api/Cargo.toml  
 }
 help(){
     echo "sh build_crates.sh <command> :"