diff --git a/chart_plugin/doc/mathgl_compile.md b/chart_plugin/doc/mathgl_compile.md
index 7bfbfe4e73e22ed0656662f12f55a86c38a22e81..164cc572b97c4e499dde5a6aca44aa5d9cbd205b 100644
--- a/chart_plugin/doc/mathgl_compile.md
+++ b/chart_plugin/doc/mathgl_compile.md
@@ -7,12 +7,11 @@
     ```
     cd mathgl-2.4.4
     mkdir -p build && cd build
-    echo "CMAKE_PREFIX_PATH = $1, CMAKE_INCLUDE_PATH=$2" （参数1为QT5的cmake搜索路径，参数2为GL/gl.h文件路径，如果没有参数采用系统默认路径搜索）
 
     cmake -D enable-png=OFF -D enable-opengl=OFF -D enable-openmp=OFF -D enable-pthread=ON -D enable-qt5=ON -DCMAKE_INSTALL_PREFIX=. ..
     ```
 3. 编译与安装。
     ```
-    make -j8 > build_mathgl.log 2>&1
+    make -j8
     make install
     ```
\ No newline at end of file
diff --git a/chart_plugin/src/common/CMakeLists.txt b/chart_plugin/src/common/CMakeLists.txt
index 6f695df8b2943c312ac32e1a99119b22c23126c6..53846760ef102dc5ce2dfeb7c2243b88119d3de8 100755
--- a/chart_plugin/src/common/CMakeLists.txt
+++ b/chart_plugin/src/common/CMakeLists.txt
@@ -6,7 +6,7 @@ ExternalProject_Add(GenCustomMsg
         URL ${CMAKE_CURRENT_SOURCE_DIR}/custom
         SOURCE_DIR ${CMAKE_CURRENT_BINARY_DIR}/custom
         CONFIGURE_COMMAND cp -fr ${CMAKE_CURRENT_SOURCE_DIR}/custom/ ${CMAKE_CURRENT_BINARY_DIR}/
-        BUILD_COMMAND     /usr/bin/python3 ${CMAKE_CURRENT_SOURCE_DIR}/gen_msg.py ${ROS_VERSION} ${CMAKE_CURRENT_BINARY_DIR}/../../
+        BUILD_COMMAND     /usr/bin/python2.7 ${CMAKE_CURRENT_SOURCE_DIR}/gen_msg.py ${ROS_VERSION} ${CMAKE_CURRENT_BINARY_DIR}/../../
         BUILD_IN_SOURCE   1
         INSTALL_COMMAND   ""
         TEST_COMMAND      "")