Merge pull request #123 from zilliztech/fix-preview

Fix preview

client/src/pages/preview/Preview.tsx

@@ -11,6 +11,7 @@ import { ToolBarConfig } from '../../components/grid/Types';
 import CustomToolBar from '../../components/grid/ToolBar';
 import { DataTypeStringEnum } from '../collections/Types';
 import { generateVector } from '../../utils/Common';
+import { DataTypeEnum } from '../../pages/collections/Types';
 
 import {
   INDEX_CONFIG,
@@ -128,7 +129,7 @@ const Preview: FC<{
         expr: '',
         vectors,
         output_fields: [primaryKey],
-        vector_type: Number(vectorField?._fieldId),
+        vector_type: DataTypeEnum[vectorField!._fieldType],
       });
 
       // compose random id list expression