diff --git a/c++/level1_single_api/1_acl/4_dvpp/crop/README.md b/c++/level1_single_api/1_acl/4_dvpp/crop/README.md
index e0d574cafbcdcda8714904de8ea7c6102d02d1ac..392918ab4d3526ce27c8e0ebdc05e5ff408c846a 100644
--- a/c++/level1_single_api/1_acl/4_dvpp/crop/README.md
+++ b/c++/level1_single_api/1_acl/4_dvpp/crop/README.md
@@ -55,7 +55,7 @@
 
     执行以下命令，进入样例的data文件夹中，下载对应的测试图片。
 
-    **cd $/home/ascend/samples/c++/level1_single_api/1_acl/4_dvpp/crop/data**
+    **cd /home/ascend/samples/c++/level1_single_api/1_acl/4_dvpp/crop/data**
 
     **wget https://c7xcode.obs.cn-north-4.myhuaweicloud.com/models/crop/wood_rabbit_1024_1068_nv12.yuv**
 
diff --git a/c++/level2_simple_inference/6_other/colorization/README_CN.md b/c++/level2_simple_inference/6_other/colorization/README_CN.md
index 3e3a099a43615095be37476256facf3544ddfae2..814e259ec1598605b06d4fe00367ff53fb7e763c 100644
--- a/c++/level2_simple_inference/6_other/colorization/README_CN.md
+++ b/c++/level2_simple_inference/6_other/colorization/README_CN.md
@@ -6,7 +6,7 @@
 
 ## 黑白图像上色样例
 
-**注：案例详细介绍请参见[图片googlenet分类_wiki](https://gitee.com/ascend/samples/wikis/%E5%9B%BE%E7%89%87googlenet%E5%88%86%E7%B1%BB?sort_id=3164842)。**
+**注：案例详细介绍请参见[图片黑白图像上色_wiki](https://gitee.com/ascend/samples/wikis/%E5%9B%BE%E7%89%87%E9%BB%91%E7%99%BD%E5%9B%BE%E5%83%8F%E4%B8%8A%E8%89%B2?sort_id=3170477)。**
 
 功能：使用colorization模型对输入的黑白图片进行上色推理。
 
diff --git a/c++/level2_simple_inference/6_other/colorization_video/README_CN.md b/c++/level2_simple_inference/6_other/colorization_video/README_CN.md
index 776d1a41866be5f6f81c1bdd0443db987243da76..fb2b2fb83dac613cdcd2e48f6ddf943b6835c097 100644
--- a/c++/level2_simple_inference/6_other/colorization_video/README_CN.md
+++ b/c++/level2_simple_inference/6_other/colorization_video/README_CN.md
@@ -6,7 +6,7 @@
 
 ## 视频黑白图像上色样例
 
-**注：案例详细介绍请参见[视频googlenet分类_wiki](https://gitee.com/ascend/samples/wikis/%E8%A7%86%E9%A2%91googlenet%E5%88%86%E7%B1%BB?sort_id=3164845)。**
+**注：案例详细介绍请参见[视频黑白图像上色_wiki](https://gitee.com/ascend/samples/wikis/%E8%A7%86%E9%A2%91%E9%BB%91%E7%99%BD%E5%9B%BE%E5%83%8F%E4%B8%8A%E8%89%B2?sort_id=3170478)。**
 
 功能：使用黑白图像上色模型对输入的黑白视频进行推理。。