diff --git a/src/directives/draggable.js b/src/directives/draggable.js
index 726d156..66522e9 100644
--- a/src/directives/draggable.js
+++ b/src/directives/draggable.js
@@ -4,13 +4,14 @@ const moveModal = (elmnt) => {
     pos2 = 0,
     pos3 = 0,
     pos4 = 0;
-  document.body.addEventListener("mousedown", dragMouseDown, {
+  elmnt.addEventListener("mousedown", dragMouseDown, {
     passive: false,
   });
 
   function dragMouseDown(e) {
     console.log("dragMouseDown", e);
     e = e || window.event;
+    if (e.button !== 0) return;
     e.preventDefault();
     // get the mouse cursor position at startup:
     pos3 = e.clientX;
diff --git a/src/views/AssetManagement/components/AssetSubListAddModal.vue b/src/views/AssetManagement/components/AssetSubListAddModal.vue
index b6aa834..4e78230 100644
--- a/src/views/AssetManagement/components/AssetSubListAddModal.vue
+++ b/src/views/AssetManagement/components/AssetSubListAddModal.vue
@@ -69,11 +69,11 @@ const onOk = async () => {
   formData.delete("file");
   formData.append("id", props.formState.id);
 
-  if (props.formState.file[0]) {
+  if (Array.isArray(props.formState.file) && props.formState.file[0]) {
     formData.append("file", props.formState.file[0]);
   }
-  if (props.formState.Device_image) {
-    formData.append("Device_image", props.formState.Device_image);
+  if (props.formState.device_image && props.formState.file.length !== 0) {
+    formData.append("device_image", props.formState.device_image);
   }
 
   const res = await postAssetSubList(formData);