diff --git a/src/locales/en-US/backends.ts b/src/locales/en-US/backends.ts
index d174460e..5bda6dc2 100644
--- a/src/locales/en-US/backends.ts
+++ b/src/locales/en-US/backends.ts
@@ -23,10 +23,11 @@ export default {
   'backend.form.defaultExecuteCommand': 'Default Execution Command',
   'backend.form.defaultExecuteCommand.tips': `'{{'model_path'}}', '{{'port'}}', '{{'worker_ip'}}' and '{{'model_name'}}' are placeholders that will be substituted with the actual values during deployment.`,
   'backend.form.defaultBackendParameters': 'Default Backend Parameters',
-  'backend.form.parameterFormat': 'Parameter Format',
-  'backend.form.parameterFormat.default': 'Backend Default',
-  'backend.form.parameterFormat.space': 'Space (--key value)',
-  'backend.form.parameterFormat.equal': 'Equal (--key=value)',
+  'backend.form.flagFormat': 'Flag Format',
+  'backend.form.flagFormat.tips':
+    'The format applied between an option and its value. Leave empty to keep each parameter as entered, without normalizing it.',
+  'backend.form.flagFormat.space': 'Space Separated (--key value)',
+  'backend.form.flagFormat.equal': 'Equal Sign (--key=value)',
   'backend.form.commonParameters': 'Common Backend Parameters',
   'backend.form.commonParameters.tips':
     'Shown as suggestions in the backend parameters input during deployment.',
diff --git a/src/locales/ja-JP/backends.ts b/src/locales/ja-JP/backends.ts
index ec0d58d1..a54ab492 100644
--- a/src/locales/ja-JP/backends.ts
+++ b/src/locales/ja-JP/backends.ts
@@ -23,10 +23,11 @@ export default {
   'backend.form.defaultExecuteCommand': 'Default Execution Command',
   'backend.form.defaultExecuteCommand.tips': `'{{'model_path'}}', '{{'port'}}', '{{'worker_ip'}}' and '{{'model_name'}}' are placeholders that will be substituted with the actual values during deployment.`,
   'backend.form.defaultBackendParameters': 'Default Backend Parameters',
-  'backend.form.parameterFormat': 'パラメータ形式',
-  'backend.form.parameterFormat.default': 'バックエンドのデフォルト',
-  'backend.form.parameterFormat.space': 'スペース区切り (--key value)',
-  'backend.form.parameterFormat.equal': 'イコール連結 (--key=value)',
+  'backend.form.flagFormat': 'フラグ形式',
+  'backend.form.flagFormat.tips':
+    'オプションとその値を連結する形式。空欄の場合は各パラメータを入力されたまま保持し、形式を統一しません。',
+  'backend.form.flagFormat.space': 'スペース区切り (--key value)',
+  'backend.form.flagFormat.equal': 'イコール記号 (--key=value)',
   'backend.form.commonParameters': 'よく使うバックエンドパラメータ',
   'backend.form.commonParameters.tips':
     'モデルのデプロイ時にバックエンドパラメータ入力欄の候補として表示されます。',
diff --git a/src/locales/ru-RU/backends.ts b/src/locales/ru-RU/backends.ts
index 6126aa51..68b22328 100644
--- a/src/locales/ru-RU/backends.ts
+++ b/src/locales/ru-RU/backends.ts
@@ -23,10 +23,11 @@ export default {
   'backend.form.defaultExecuteCommand': 'Команда выполнения по умолчанию',
   'backend.form.defaultExecuteCommand.tips': `'{{'model_path'}}', '{{'port'}}', '{{'worker_ip'}}' и '{{'model_name'}}' заполняются реальными значениями во время запуска`,
   'backend.form.defaultBackendParameters': 'Параметры бэкенда по умолчанию',
-  'backend.form.parameterFormat': 'Формат параметров',
-  'backend.form.parameterFormat.default': 'По умолчанию бэкенда',
-  'backend.form.parameterFormat.space': 'Пробел (--key value)',
-  'backend.form.parameterFormat.equal': 'Знак равенства (--key=value)',
+  'backend.form.flagFormat': 'Формат флага',
+  'backend.form.flagFormat.tips':
+    'Формат соединения опции и её значения. Оставьте пустым, чтобы сохранить каждый параметр в исходном виде, без приведения к единому формату.',
+  'backend.form.flagFormat.space': 'Разделение пробелом (--key value)',
+  'backend.form.flagFormat.equal': 'Знак равенства (--key=value)',
   'backend.form.commonParameters': 'Общие параметры бэкенда',
   'backend.form.commonParameters.tips':
     'Отображаются как подсказки в поле параметров бэкенда при развёртывании.',
diff --git a/src/locales/tr-TR/backends.ts b/src/locales/tr-TR/backends.ts
index ae92d8ac..f44eec70 100644
--- a/src/locales/tr-TR/backends.ts
+++ b/src/locales/tr-TR/backends.ts
@@ -23,10 +23,11 @@ export default {
   'backend.form.defaultExecuteCommand': 'Varsayılan Çalıştırma Komutu',
   'backend.form.defaultExecuteCommand.tips': `'{{'model_path'}}', '{{'port'}}', '{{'worker_ip'}}' ve '{{'model_name'}}' dağıtım sırasında gerçek değerlerle değiştirilecek yer tutuculardır.`,
   'backend.form.defaultBackendParameters': 'Varsayılan Altyapı Parametreleri',
-  'backend.form.parameterFormat': 'Parametre Biçimi',
-  'backend.form.parameterFormat.default': 'Varsayılan',
-  'backend.form.parameterFormat.space': 'Boşluk (--key value)',
-  'backend.form.parameterFormat.equal': 'Eşittir (--key=value)',
+  'backend.form.flagFormat': 'Bayrak Biçimi',
+  'backend.form.flagFormat.tips':
+    'Bir seçenek ile değerinin birleştirilme biçimi. Boş bırakılırsa her parametre girildiği biçimde korunur, biçim birleştirilmez.',
+  'backend.form.flagFormat.space': 'Boşlukla Ayır (--key value)',
+  'backend.form.flagFormat.equal': 'Eşittir İşareti (--key=value)',
   'backend.form.commonParameters': 'Ortak Altyapı Parametreleri',
   'backend.form.commonParameters.tips':
     'Dağıtım sırasında altyapı parametreleri girişinde öneri olarak gösterilir.',
diff --git a/src/locales/zh-CN/backends.ts b/src/locales/zh-CN/backends.ts
index ad523532..0e3f17be 100644
--- a/src/locales/zh-CN/backends.ts
+++ b/src/locales/zh-CN/backends.ts
@@ -23,10 +23,11 @@ export default {
   'backend.form.defaultExecuteCommand': '默认执行命令',
   'backend.form.defaultExecuteCommand.tips': `'{{'model_path'}}'、'{{'port'}}'、'{{'worker_ip'}}' 和 '{{'model_name'}}' 都是占位符，在部署过程中会被替换为实际的值。`,
   'backend.form.defaultBackendParameters': '默认后端参数',
-  'backend.form.parameterFormat': '参数输出格式',
-  'backend.form.parameterFormat.default': '后端默认',
-  'backend.form.parameterFormat.space': '空格分隔 (--key value)',
-  'backend.form.parameterFormat.equal': '等号连接 (--key=value)',
+  'backend.form.flagFormat': '参数格式',
+  'backend.form.flagFormat.tips':
+    '选项名与取值之间使用的连接格式。留空则保留每个参数原本的写法，不做统一转换。',
+  'backend.form.flagFormat.space': '空格分隔 (--key value)',
+  'backend.form.flagFormat.equal': '等号连接 (--key=value)',
   'backend.form.commonParameters': '常用后端参数',
   'backend.form.commonParameters.tips': '部署模型时作为后端参数候选项展示。',
   'backend.form.versionConfig': '版本配置',
diff --git a/src/pages/backends/components/add-modal.tsx b/src/pages/backends/components/add-modal.tsx
index 3820eb15..30141e26 100644
--- a/src/pages/backends/components/add-modal.tsx
+++ b/src/pages/backends/components/add-modal.tsx
@@ -127,10 +127,7 @@ const AddModal: React.FC<AddModalProps> = (props) => {
     await run(() =>
       onSubmit({
         ...values,
-        parameter_format:
-          values.parameter_format === 'auto' || !values.parameter_format
-            ? null
-            : values.parameter_format,
+        parameter_format: values.parameter_format || null,
         default_version: defaultVersion?.version_no || '',
         // @ts-ignore
         version_configs: versionConfigs
@@ -168,7 +165,7 @@ const AddModal: React.FC<AddModalProps> = (props) => {
       return {
         ...values,
         backend_name: values.backend_name.replace(/-custom$/, ''),
-        parameter_format: values.parameter_format ?? 'auto',
+        parameter_format: values.parameter_format,
         version_configs: versionConfigs,
         built_in_version_configs: builtInVersions
       };
diff --git a/src/pages/backends/config/types.ts b/src/pages/backends/config/types.ts
index c6e708b7..bd94615b 100644
--- a/src/pages/backends/config/types.ts
+++ b/src/pages/backends/config/types.ts
@@ -28,7 +28,7 @@ export interface FormData {
   enabled?: boolean;
   backend_source?: string;
   default_env?: Record<string, any>;
-  parameter_format?: 'space' | 'equal' | 'auto' | null;
+  parameter_format?: 'space' | 'equal' | null;
   common_parameters?: string[];
 }
 
diff --git a/src/pages/backends/forms/basic.tsx b/src/pages/backends/forms/basic.tsx
index 2b530d19..30a033c7 100644
--- a/src/pages/backends/forms/basic.tsx
+++ b/src/pages/backends/forms/basic.tsx
@@ -151,27 +151,24 @@ const BasicForm = () => {
       </Form.Item>
       <Form.Item<FormData>
         name="parameter_format"
-        initialValue="auto"
         rules={[{ required: false }]}
       >
         <SealSelect
-          label={intl.formatMessage({ id: 'backend.form.parameterFormat' })}
+          allowClear
+          label={intl.formatMessage({ id: 'backend.form.flagFormat' })}
+          description={intl.formatMessage({
+            id: 'backend.form.flagFormat.tips'
+          })}
           options={[
             {
               label: intl.formatMessage({
-                id: 'backend.form.parameterFormat.default'
-              }),
-              value: 'auto'
-            },
-            {
-              label: intl.formatMessage({
-                id: 'backend.form.parameterFormat.space'
+                id: 'backend.form.flagFormat.space'
               }),
               value: 'space'
             },
             {
               label: intl.formatMessage({
-                id: 'backend.form.parameterFormat.equal'
+                id: 'backend.form.flagFormat.equal'
               }),
               value: 'equal'
             }