fix: #567 use modal to upload files in the knowledge base (#601)

### What problem does this PR solve?

fix:  #567 use modal to upload files in the knowledge base

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

web/src/pages/user-setting/setting-model/index.less

@@ -1,5 +1,9 @@
 .modelWrapper {
   width: 100%;
+}
+
+.modelContainer {
+  width: 100%;
   .factoryOperationWrapper {
     text-align: right;
   }

web/src/pages/user-setting/setting-model/index.tsx

@@ -223,9 +223,9 @@ const UserSettingModel = () => {
   ];
 
   return (
-    <>
+    <section id="xx" className={styles.modelWrapper}>
       <Spin spinning={loading}>
-        <section className={styles.modelWrapper}>
+        <section className={styles.modelContainer}>
           <SettingTitle
             title={t('model')}
             description={t('modelDescription')}
@@ -257,7 +257,7 @@ const UserSettingModel = () => {
         loading={llmAddingLoading}
         llmFactory={selectedLlmFactory}
       ></OllamaModal>
-    </>
+    </section>
   );
 };