diff --git a/web/src/views/backend/dashboard.vue b/web/src/views/backend/dashboard.vue
index e9ee71f..e1a063c 100644
--- a/web/src/views/backend/dashboard.vue
+++ b/web/src/views/backend/dashboard.vue
@@ -156,7 +156,7 @@
                     </el-radio-group>
                 </el-form-item>
                 <el-form-item label="Username">
-                    <el-input v-model="transactionForm.username" placeholder="e.g. PLAYER001" />
+                    <el-input v-model="transactionForm.username" :disabled="transactionDialog.mode === 'edit'" placeholder="e.g. PLAYER001" />
                 </el-form-item>
                 <el-form-item label="Remark">
                     <el-input v-model="transactionForm.remark" placeholder="(optional)" />
diff --git a/web/src/views/backend/user/moneyLog/popupForm.vue b/web/src/views/backend/user/moneyLog/popupForm.vue
index be3cc33..8af99de 100644
--- a/web/src/views/backend/user/moneyLog/popupForm.vue
+++ b/web/src/views/backend/user/moneyLog/popupForm.vue
@@ -49,7 +49,7 @@
                             </el-radio-group>
                         </el-form-item>
                         <el-form-item label="Username">
-                            <el-input v-model="baTable.form.items!.user_name" placeholder="e.g. PLAYER001" />
+                            <el-input v-model="baTable.form.items!.user_name" disabled placeholder="e.g. PLAYER001" />
                         </el-form-item>
                         <el-form-item label="Remark" prop="memo">
                             <el-input v-model="baTable.form.items!.memo" placeholder="(optional)" />
@@ -290,7 +290,7 @@ const findTableRow = (rows: TableRow[] = [], id: number | string): TableRow | un
 
 const getUsername = (items: anyObj) => {
     const tableRow = findTableRow(baTable.table.data, items.id)
-    return items.user?.username || tableRow?.user?.username || ''
+    return items.user?.jk_username || tableRow?.user?.jk_username || ''
 }
 
 const initEditForm = () => {