diff --git a/src/module/alertModal.js b/src/module/alertModal.js
index acf7f7d..0e7ae9c 100644
--- a/src/module/alertModal.js
+++ b/src/module/alertModal.js
@@ -172,8 +172,8 @@ export async function leaveConformance(next, addConformanceCreateCheckId, toPath
  * @param { string } failureMsg
  */
 export async function uploadFailedFirst(failureType, failureMsg, failureLoc) {
-  // msg: 'not in UTF-8' | 'insufficient columns' | 'the csv file is empty' | 'the filename does not ends with .csv'
-  // type: 'encoding' | 'insufficient_columns' | 'empty' | 'name_suffix'
+  // msg: 'not in UTF-8' | 'insufficient columns' | 'the csv file is empty' | 'the filename does not ends with .csv' | 'not a CSV file'
+  // type: 'encoding' | 'insufficient_columns' | 'empty' | 'name_suffix' | mime_type
   let value = '';
   switch (failureType) {
     case 'size':
@@ -189,7 +189,8 @@ export async function uploadFailedFirst(failureType, failureMsg, failureLoc) {
       value = 'Need at least one record of data.';
       break;
     case 'name_suffix':
-      value = 'File is not in [csv] format.';
+    case 'mime_type':
+      value = 'File is not in csv format.';
       break;
     default:
       value = failureMsg;
diff --git a/src/stores/files.js b/src/stores/files.js
index 1be5c23..7533009 100644
--- a/src/stores/files.js
+++ b/src/stores/files.js
@@ -128,6 +128,7 @@ export default defineStore('filesStore', {
         this.$router.push({name: 'Upload'});
         Swal.close(); // 關閉進度條
       } catch(error) {
+        console.log(error);
         if(error.response.status === 422) {
           // msg: 'not in UTF-8' | 'insufficient columns' | 'the csv file is empty' | 'the filename does not ends with .csv'
           // type: 'encoding' | 'insufficient_columns' | 'empty' | 'name_suffix'