diff --git a/cli/install.go b/cli/install.go
index 8fff7af..6c2c2f9 100644
--- a/cli/install.go
+++ b/cli/install.go
@@ -16,6 +16,7 @@ import (
 )
 
 func fundVersion(version string) *collector.GradleItem {
+	collector.Init()
 	rs := collector.Collector.Items
 	for _, v := range rs {
 		if v.Version == version { //strings.Contains(v.SimpleName, version)
diff --git a/cli/ls-remote.go b/cli/ls-remote.go
index d5e39e5..bc61046 100644
--- a/cli/ls-remote.go
+++ b/cli/ls-remote.go
@@ -28,6 +28,7 @@ func remoteVersionLength2(version string) string {
 func listRemote(*cli.Context) (err error) {
 	use_version := inuse(goroot)
 	out := ansi.NewAnsiStdout()
+	collector.Init()
 	rs := collector.Collector.Items
 	color.New(color.FgGreen).Fprintf(out, " %s\n", " version              info            RelaseTime")
 	for _, v := range rs {
diff --git a/internal/pkg/collector/collector.go b/internal/pkg/collector/collector.go
index 395ab5b..8a3fd5e 100644
--- a/internal/pkg/collector/collector.go
+++ b/internal/pkg/collector/collector.go
@@ -22,7 +22,7 @@ type GradleItem struct {
 	DownloadUrl string
 }
 
-func init() {
+func Init() {
 	Collector = &GradleCollector{
 		Items: getGradleAllInfo(),
 	}
diff --git a/makefile b/makefile
index 5d65adf..2b568ea 100644
--- a/makefile
+++ b/makefile
@@ -17,33 +17,33 @@ build-all: build-linux build-darwin build-windows
 
 build-linux: build-linux-386 build-linux-amd64 build-linux-arm build-linux-arm64 build-linux-s390x
 build-linux-386:
-	GOOS=linux GOARCH=386 $(GO) build $(GO_FLAGS) -o bin/linux-386/j
+	GOOS=linux GOARCH=386 $(GO) build $(GO_FLAGS) -o bin/linux-386/grvm
 build-linux-amd64:
-	GOOS=linux GOARCH=amd64 $(GO) build $(GO_FLAGS) -o bin/linux-amd64/linux_amd_x86_64_j
+	GOOS=linux GOARCH=amd64 $(GO) build $(GO_FLAGS) -o bin/linux-amd64/linux_amd_x86_64_grvm
 build-linux-arm:
-	GOOS=linux GOARCH=arm $(GO) build $(GO_FLAGS) -o bin/linux-arm/j
+	GOOS=linux GOARCH=arm $(GO) build $(GO_FLAGS) -o bin/linux-arm/grvm
 build-linux-arm64:
-	GOOS=linux GOARCH=arm64 $(GO) build $(GO_FLAGS) -o bin/linux-arm64/j
+	GOOS=linux GOARCH=arm64 $(GO) build $(GO_FLAGS) -o bin/linux-arm64/grvm
 build-linux-s390x:
-    GOOS=linux GOARCH=s390x $(GO) build $(GO_FLAGS) -o  bin/linux-s390x/j
+    GOOS=linux GOARCH=s390x $(GO) build $(GO_FLAGS) -o  bin/linux-s390x/grvm
 
 
 build-darwin: build-darwin-amd64 build-darwin-arm64
 build-darwin-amd64:
-	GOOS=darwin GOARCH=amd64 $(GO) build $(GO_FLAGS) -o bin/darwin-amd64/j
+	GOOS=darwin GOARCH=amd64 $(GO) build $(GO_FLAGS) -o bin/darwin-amd64/grvm
 build-darwin-arm64:
-	GOOS=darwin GOARCH=arm64 $(GO) build $(GO_FLAGS) -o bin/darwin-arm64/j
+	GOOS=darwin GOARCH=arm64 $(GO) build $(GO_FLAGS) -o bin/darwin-arm64/grvm
 
 
 build-windows: build-windows-386 build-windows-amd64 build-windows-arm build-windows-arm64
 build-windows-386:
-	GOOS=windows GOARCH=386 $(GO) build $(GO_FLAGS) -o bin/windows-386/j.exe
+	GOOS=windows GOARCH=386 $(GO) build $(GO_FLAGS) -o bin/windows-386/grvm.exe
 build-windows-amd64:
-	GOOS=windows GOARCH=amd64 $(GO) build $(GO_FLAGS) -o bin/windows-amd64/windows_amd_x86_64_j.exe
+	GOOS=windows GOARCH=amd64 $(GO) build $(GO_FLAGS) -o bin/windows-amd64/windows_amd_x86_64_grvm.exe
 build-windows-arm:
-	GOOS=windows GOARCH=arm $(GO) build $(GO_FLAGS) -o bin/windows-arm/j.exe
+	GOOS=windows GOARCH=arm $(GO) build $(GO_FLAGS) -o bin/windows-arm/grvm.exe
 build-windows-arm64:
-	GOOS=windows GOARCH=arm64 $(GO) build $(GO_FLAGS) -o bin/windows-arm64/j.exe
+	GOOS=windows GOARCH=arm64 $(GO) build $(GO_FLAGS) -o bin/windows-arm64/grvm.exe
 
 package:
 	sh ./package.sh