feat: 添加placeholder

@@ -24,6 +24,8 @@ export const QxFormSelect: React.FC<FormSelectProps> = (props) => {
     appId,
     request,
     disabled,
+    placeholder,
+    title
   } = props;
 
   const [state, setState] = useSetState<FormSelectState>({
@@ -59,7 +61,7 @@ export const QxFormSelect: React.FC<FormSelectProps> = (props) => {
         ref={inputSelectRef}
         value={value?.name}
         defaultValue={value?.name}
-        placeholder="请选择数据源"
+        placeholder={placeholder || '请选择数据源'}
         prefix={<BlockOutlined style={{ color: '#52c41a' }} />}
         options={options}
         onChange={handleChange}
@@ -82,7 +84,7 @@ export const QxFormSelect: React.FC<FormSelectProps> = (props) => {
 
       {state.modalVisible ? (
         <QxAppSelector
-          title="选择数据源"
+          title={title || placeholder || "选择数据源"}
           item={{
             flag: 'SINGLE',
             currentId: '',