diff --git a/agent/pkg/agent/bare_metal.go b/agent/pkg/agent/bare_metal.go
index 8cc170c..a7e4e47 100644
--- a/agent/pkg/agent/bare_metal.go
+++ b/agent/pkg/agent/bare_metal.go
@@ -7,10 +7,10 @@ import (
 )
 
 var (
-	installScript = `AGENT_NAME={{.Name}} \
-	AGENT_PORT={{.Port}} \
-	AGENT_CA_CERT={{.CACert}} \
-	AGENT_SSL_CERT={{.SSLCert}} \
+	installScript = `AGENT_NAME="{{.Name}}" \
+	AGENT_PORT="{{.Port}}" \
+	AGENT_CA_CERT="{{.CACert}}" \
+	AGENT_SSL_CERT="{{.SSLCert}}" \
 	bash -c "$(curl -fsSL https://raw.githubusercontent.com/yusing/go-proxy/main/scripts/install-agent.sh)"`
 	installScriptTemplate = template.Must(template.New("install.sh").Parse(installScript))
 )