fix: BI-52681 修复模式显示方式

src/modules/pages/maintain/forms/components/form.jdbc.ts

@@ -63,7 +63,7 @@ export class FormJdbc extends BI.Widget {
         this.oldPassword = password;
         const { host, port, databaseName } = resolveUrlInfo(url);
         const { hgap, vgap } = CONNECTION_LAYOUT;
-
+        
         return {
             type: Vertical,
             hgap,
@@ -350,7 +350,7 @@ export class FormJdbc extends BI.Widget {
                             vgap: 15,
                             disabled: true,
                             value: schema,
-                            items: this.schemas,
+                            items: schema ? [{ text: schema, value:schema }] : [],
                             ref: (_ref: any) => {
                                 this.form.schema = _ref;
                             },