**Note:** Program lib used to build index is compliled on our machine, if error occured because of the environment, you can refer to [vector search tutorial](../../../deploy/vector_search/README.md) to rebuild the lib.
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@@ -153,7 +153,7 @@ The image to be retrieved is shown below.
Then add some new lines into the new label file, which is shown as follows.
```
gallery/anmuxi/001.jpg 安慕希酸奶
gallery/anmuxi/002.jpg 安慕希酸奶
gallery/anmuxi/003.jpg 安慕希酸奶
gallery/anmuxi/004.jpg 安慕希酸奶
gallery/anmuxi/005.jpg 安慕希酸奶
gallery/anmuxi/006.jpg 安慕希酸奶
gallery/anmuxi/001.jpg Anmuxi Ambrosial Yogurt
gallery/anmuxi/002.jpg Anmuxi Ambrosial Yogurt
gallery/anmuxi/003.jpg Anmuxi Ambrosial Yogurt
gallery/anmuxi/004.jpg Anmuxi Ambrosial Yogurt
gallery/anmuxi/005.jpg Anmuxi Ambrosial Yogurt
gallery/anmuxi/006.jpg Anmuxi Ambrosial Yogurt
```
Each line can be splited into two fields. The first field denotes the relative image path, and the second field denotes its label. The `delimiter` is `tab` here.