diff --git a/tutorials/SamplePostProcess/src/samplepostprocess/README.md b/tutorials/SamplePostProcess/src/samplepostprocess/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..bdbe2398fc2a38a8200713ae17dde1440d881df1
--- /dev/null
+++ b/tutorials/SamplePostProcess/src/samplepostprocess/README.md
@@ -0,0 +1,8 @@
+# Resnset50样例
+本项目(tutorials\SamplePostProcess\src\samplepostprocess)构建了resnet50网络的新版后处理插件。
+## 继承类型
+>MxBase/PostProcessBases/ClassPostProcessBase.h
+## 使用说明
+使用mxpi_classpostprocessor加载后处理so
+
+>参考https://support.huawei.com/enterprise/zh/doc/EDOC1100207069/4e71a146
\ No newline at end of file
diff --git a/tutorials/SamplePostProcess/src/yolov3/README.md b/tutorials/SamplePostProcess/src/yolov3/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..5f0af5c0c45a0d9df635735b8b23a3b877360e0e
--- /dev/null
+++ b/tutorials/SamplePostProcess/src/yolov3/README.md
@@ -0,0 +1,9 @@
+# yolov3样例
+
+本项目(tutorials\SamplePostProcess\src\yolov3)构建了yolov3网络的新版后处理插件。
+## 继承类型
+>MxBase/PostProcessBases/ObjectPostProcessBase.h
+## 使用说明
+使用mxpi_objectpostprocessor加载后处理so
+
+>参考https://support.huawei.com/enterprise/zh/doc/EDOC1100207069/397691d0
\ No newline at end of file
diff --git a/tutorials/SamplePostProcess/src/yolov3/Yolov3PostProcess.h b/tutorials/SamplePostProcess/src/yolov3/Yolov3PostProcess.h
index 9e7db513caf64b1a01650b16fb692ddb114b1318..2eb42b54824b1f5b7a7ebe26dfdcd78139d2fc4a 100644
--- a/tutorials/SamplePostProcess/src/yolov3/Yolov3PostProcess.h
+++ b/tutorials/SamplePostProcess/src/yolov3/Yolov3PostProcess.h
@@ -45,8 +45,8 @@ struct NetInfo {
 }
 
 namespace MxBase {
-    class Yolov3PostProcess{
-
+    class Yolov3PostProcess: public ObjectPostProcessBase
+    {
     public:
         Yolov3PostProcess() = default;