diff --git a/client/client.go b/client/client.go
index 1cb475d..14597fa 100644
--- a/client/client.go
+++ b/client/client.go
@@ -120,6 +120,7 @@ type houstonClient struct {
 
 func unmarshal[T any](val *T, src map[string]string) {
 	argval := reflect.ValueOf(val)
+	logger.Println("operation receive :", argval.Type().Name(), src)
 	for i := 0; i < argval.Elem().Type().NumField(); i++ {
 		if !argval.Elem().Type().Field(i).IsExported() {
 			continue
diff --git a/client/deploy.go b/client/deploy.go
index 69fa393..3befc93 100644
--- a/client/deploy.go
+++ b/client/deploy.go
@@ -21,7 +21,16 @@ import (
 	"golang.org/x/text/transform"
 )
 
-func download(dir string, urlpath string, accessToken string) (string, error) {
+func download(dir string, urlpath string, accessToken string) (target string, err error) {
+	logger.Println("start downloading", dir, urlpath)
+	defer func() {
+		if err != nil {
+			logger.Println("downloading failed :", err)
+		} else {
+			logger.Println("downloading succeeded")
+		}
+	}()
+
 	parsed, err := url.Parse(urlpath)
 	if err != nil {
 		return "", err
@@ -277,7 +286,6 @@ func (hc *houstonClient) deploy(req *shared.DeployRequest) error {
 		return err
 	}
 
-	logger.Println("start downloading", req.Url)
 	// verpath에 배포 시작
 	fname, err := download(root, hc.makeDownloadUrl(req.Url), req.AccessToken)
 	if err != nil {
diff --git a/server/http_handler.go b/server/http_handler.go
index 2eb16bb..1767992 100644
--- a/server/http_handler.go
+++ b/server/http_handler.go
@@ -121,8 +121,10 @@ func (h *houstonHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	var operation string
 	if r.Method == "POST" {
 		operation = r.FormValue("operation")
+		logger.Println("api called :", r.Form)
 	} else {
 		operation = r.URL.Query().Get("operation")
+		logger.Println("api called :", r.URL.Query())
 	}
 
 	if len(operation) == 0 {
@@ -138,10 +140,6 @@ func (h *houstonHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	if r.PostForm == nil {
-		r.ParseMultipartForm(defaultMaxMemory)
-	}
-
 	args := []reflect.Value{
 		reflect.ValueOf(h),
 		reflect.ValueOf(w),