diff --git a/.drone.yml b/.drone.yml
index 9c1a11c..ffcb8d7 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -19,12 +19,26 @@ pipeline:
       - make lint
       - make build
       - coverage all
+      # send coverage report
       - curl -s https://codecov.io/bash > .codecov &&
         chmod +x .codecov &&
         ./.codecov -t ${CODECOV_TOKEN} -f .cover/coverage.txt
       # build binary for docker image
       - make docker_binary_build
 
+  release:
+    image: appleboy/golang-testing:${GO_VERSION}
+    pull: true
+    environment:
+      TAGS: netgo
+    commands:
+      - make release
+    when:
+      event: [ tag ]
+      branch: [ refs/tags/* ]
+      matrix:
+        GO_VERSION: 1.7.4
+
   docker:
     image: plugins/docker
     repo: appleboy/gorush
@@ -50,6 +64,16 @@ pipeline:
       matrix:
         GO_VERSION: 1.7.4
 
+  github:
+    image: plugins/github-release
+    files:
+      - dist/release/*
+    when:
+      event: [ tag ]
+      branch: [ refs/tags/* ]
+      matrix:
+        GO_VERSION: 1.7.4
+
   # rebuild the cache on the sftp server
   rebuild_cache:
     image: appleboy/drone-sftp-cache
diff --git a/.drone.yml.sig b/.drone.yml.sig
index 8b749b0..9a631ff 100644
--- a/.drone.yml.sig
+++ b/.drone.yml.sig
@@ -1 +1 @@
-eyJhbGciOiJIUzI1NiJ9.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-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.JfCV20soCVQlo7bI_dAvEeoQPKtmUDep_E7vab1wFrM
\ No newline at end of file
+eyJhbGciOiJIUzI1NiJ9.d29ya3NwYWNlOgogIHBhdGg6IC9nby9zcmMvZ2l0aHViLmNvbS9hcHBsZWJveS9nb3J1c2gKCnBpcGVsaW5lOgogICMgcmVzdG9yZSB0aGUgY2FjaGUgZnJvbSBhbiBzZnRwIHNlcnZlcgogIHJlc3RvcmVfY2FjaGU6CiAgICBpbWFnZTogYXBwbGVib3kvZHJvbmUtc2Z0cC1jYWNoZQogICAgcmVzdG9yZTogdHJ1ZQogICAgbW91bnQ6IFsgLmdsaWRlLCB2ZW5kb3IgXQogICAgaWdub3JlX2JyYW5jaDogdHJ1ZQoKICBidWlsZDoKICAgIGltYWdlOiBhcHBsZWJveS9nb2xhbmctdGVzdGluZzoke0dPX1ZFUlNJT059CiAgICBlbnZpcm9ubWVudDoKICAgICAgLSBHT1BBVEg9L2dvCiAgICBjb21tYW5kczoKICAgICAgLSBtYWtlIGRlcF9pbnN0YWxsCiAgICAgIC0gbWFrZSB2ZXQKICAgICAgLSBtYWtlIGxpbnQKICAgICAgLSBtYWtlIGJ1aWxkCiAgICAgIC0gY292ZXJhZ2UgYWxsCiAgICAgICMgc2VuZCBjb3ZlcmFnZSByZXBvcnQKICAgICAgLSBjdXJsIC1zIGh0dHBzOi8vY29kZWNvdi5pby9iYXNoID4gLmNvZGVjb3YgJiYKICAgICAgICBjaG1vZCAreCAuY29kZWNvdiAmJgogICAgICAgIC4vLmNvZGVjb3YgLXQgJHtDT0RFQ09WX1RPS0VOfSAtZiAuY292ZXIvY292ZXJhZ2UudHh0CiAgICAgICMgYnVpbGQgYmluYXJ5IGZvciBkb2NrZXIgaW1hZ2UKICAgICAgLSBtYWtlIGRvY2tlcl9iaW5hcnlfYnVpbGQKCiAgcmVsZWFzZToKICAgIGltYWdlOiBhcHBsZWJveS9nb2xhbmctdGVzdGluZzoke0dPX1ZFUlNJT059CiAgICBwdWxsOiB0cnVlCiAgICBlbnZpcm9ubWVudDoKICAgICAgVEFHUzogbmV0Z28KICAgIGNvbW1hbmRzOgogICAgICAtIG1ha2UgcmVsZWFzZQogICAgd2hlbjoKICAgICAgZXZlbnQ6IFsgdGFnIF0KICAgICAgYnJhbmNoOiBbIHJlZnMvdGFncy8qIF0KICAgICAgbWF0cml4OgogICAgICAgIEdPX1ZFUlNJT046IDEuNy40CgogIGRvY2tlcjoKICAgIGltYWdlOiBwbHVnaW5zL2RvY2tlcgogICAgcmVwbzogYXBwbGVib3kvZ29ydXNoCiAgICB0YWdzOiBbICcke0RST05FX1RBR30nIF0KICAgIHdoZW46CiAgICAgIGV2ZW50OiBbIHRhZyBdCiAgICAgIGJyYW5jaDogWyByZWZzL3RhZ3MvKiBdCgogIGRvY2tlcjoKICAgIGltYWdlOiBwbHVnaW5zL2RvY2tlcgogICAgcmVwbzogYXBwbGVib3kvZ29ydXNoCiAgICB0YWdzOiBbICdsYXRlc3QnIF0KICAgIHdoZW46CiAgICAgIGV2ZW50OiBbIHB1c2ggXQogICAgICBicmFuY2g6IFsgbWFzdGVyIF0KCiAgZmFjZWJvb2s6CiAgICBpbWFnZTogYXBwbGVib3kvZHJvbmUtZmFjZWJvb2sKICAgIHB1bGw6IHRydWUKICAgIHRvOiAxMjM0OTczMzg2NTI0NjEwCiAgICB3aGVuOgogICAgICBzdGF0dXM6IFsgc3VjY2VzcywgZmFpbHVyZSBdCiAgICAgIG1hdHJpeDoKICAgICAgICBHT19WRVJTSU9OOiAxLjcuNAoKICBnaXRodWI6CiAgICBpbWFnZTogcGx1Z2lucy9naXRodWItcmVsZWFzZQogICAgZmlsZXM6CiAgICAgIC0gZGlzdC9yZWxlYXNlLyoKICAgIHdoZW46CiAgICAgIGV2ZW50OiBbIHRhZyBdCiAgICAgIGJyYW5jaDogWyByZWZzL3RhZ3MvKiBdCiAgICAgIG1hdHJpeDoKICAgICAgICBHT19WRVJTSU9OOiAxLjcuNAoKICAjIHJlYnVpbGQgdGhlIGNhY2hlIG9uIHRoZSBzZnRwIHNlcnZlcgogIHJlYnVpbGRfY2FjaGU6CiAgICBpbWFnZTogYXBwbGVib3kvZHJvbmUtc2Z0cC1jYWNoZQogICAgcmVidWlsZDogdHJ1ZQogICAgbW91bnQ6IFsgLmdsaWRlLCB2ZW5kb3IgXQogICAgaWdub3JlX2JyYW5jaDogdHJ1ZQogICAgd2hlbjoKICAgICAgYnJhbmNoOiBtYXN0ZXIKICAgICAgbWF0cml4OgogICAgICAgIEdPX1ZFUlNJT046IDEuNy40CgpzZXJ2aWNlczoKICByZWRpczoKICAgIGltYWdlOiByZWRpczphbHBpbmUKCm1hdHJpeDoKICBHT19WRVJTSU9OOgogICAgLSAxLjcuNAogICAgLSAxLjYuNAo.co6NQ83BJtDuBTkKasO6UnMpU25fC5f76HewoQebiws
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index a77fff9..efa4a35 100644
--- a/.gitignore
+++ b/.gitignore
@@ -38,3 +38,4 @@ Dockerfile.tmp
 *.pid
 *.db*
 coverage.txt
+dist
diff --git a/Makefile b/Makefile
index 4cccdb3..8a8c13c 100644
--- a/Makefile
+++ b/Makefile
@@ -9,7 +9,7 @@ BUILD_IMAGE := "gorush-build"
 DEPLOY_ACCOUNT := appleboy
 DEPLOY_IMAGE := $(EXECUTABLE)
 
-TARGETS ?= linux/*,darwin/*
+TARGETS ?= linux darwin
 PACKAGES ?= $(shell go list ./... | grep -v /vendor/)
 SOURCES ?= $(shell find . -name "*.go" -type f)
 TAGS ?=
@@ -76,9 +76,6 @@ build: $(EXECUTABLE)
 $(EXECUTABLE): $(SOURCES)
 	go build -v -tags '$(TAGS)' -ldflags '$(EXTLDFLAGS)-s -w $(LDFLAGS)' -o bin/$@
 
-corss_build: clean
-	sh script/build.sh $(VERSION)
-
 test:
 	for PKG in $(PACKAGES); do go test -v -cover -coverprofile $$GOPATH/src/$$PKG/coverage.txt $$PKG || exit 1; done;
 
@@ -103,6 +100,24 @@ config_test: init
 html:
 	go tool cover -html=.cover/coverage.txt
 
+release: release-dirs release-build release-copy release-check
+
+release-dirs:
+	mkdir -p $(DIST)/binaries $(DIST)/release
+
+release-build:
+	@which gox > /dev/null; if [ $$? -ne 0 ]; then \
+		go get -u github.com/mitchellh/gox; \
+	fi
+	gox -os="$(TARGETS)" -arch="amd64 386" -tags="$(TAGS)" -ldflags="-s -w $(LDFLAGS)" -output="$(DIST)/binaries/$(EXECUTABLE)-$(VERSION)-{{.OS}}-{{.Arch}}"
+
+release-copy:
+	$(foreach file,$(wildcard $(DIST)/binaries/$(EXECUTABLE)-*),cp $(file) $(DIST)/release/$(notdir $(file));)
+
+release-check:
+	cd $(DIST)/release; $(foreach file,$(wildcard $(DIST)/release/$(EXECUTABLE)-*),sha256sum $(notdir $(file)) > $(notdir $(file)).sha256;)
+
+
 docker_binary_build:
 	CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -tags '$(TAGS)' -ldflags '$(EXTLDFLAGS)-s -w $(LDFLAGS)' -o bin/$@