diff --git a/web/controller.go b/web/controller.go
index 2bc66bf..153fba0 100644
--- a/web/controller.go
+++ b/web/controller.go
@@ -21,6 +21,7 @@ func CliSdkHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	} else if strings.Contains(userAgent, "command/s3.cp") {
 		awscli.Cp(w, r)
+		return
 	}
 
 	// AWS SDK request
diff --git a/web/s3_controller.go b/web/s3_controller.go
index fe59487..0198176 100644
--- a/web/s3_controller.go
+++ b/web/s3_controller.go
@@ -49,6 +49,7 @@ func S3Handler(w http.ResponseWriter, r *http.Request) {
 			http.Error(w, err.Error(), status)
 			return
 		}
+		return
 	}
 
 	slog.Info("dataMap", "dataMap", dataMap)