diff --git a/docs/GETTING_STARTED.md b/docs/GETTING_STARTED.md
index a7a5b2e..1536a80 100644
--- a/docs/GETTING_STARTED.md
+++ b/docs/GETTING_STARTED.md
@@ -12,11 +12,11 @@ The general object recognition dataset collects images with the same label in on
 # type: general
 general_recognition
 ├── class A
-│	├── XXX.jpg
-│	└── ···
+│├── XXX.jpg
+│└── ···
 ├── class B
-│	├── XXX.jpg
-│	└── ···
+│├── XXX.jpg
+│└── ···
 └── ···
 ```
 
@@ -26,11 +26,11 @@ Oxford5k is a typical dataset in image retrieval field and the folder structure
 # type: oxford
 oxford
 ├── gt
-│	├── XXX.txt
-│	└── ···
+│├── XXX.txt
+│└── ···
 └── images
-	├── XXX.jpg
-	└── ···
+├── XXX.jpg
+└── ···
 
 ```
 
@@ -40,11 +40,11 @@ The person re-identification dataset have already split the query set and galler
 # type: reid
 person_re_identification
 ├── bounding_box_test
-│	├── XXX.jpg
-│	└── ···
+│├── XXX.jpg
+│└── ···
 ├── query
-│	├── XXX.jpg
-│	└── ···
+│├── XXX.jpg
+│└── ···
 └── ···
 ```