diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7770dd6..ff4cdce 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -51,12 +51,3 @@ target_link_libraries(${APP_NAME}
     ${CMAKE_SOURCE_DIR}/third_party/lib/libpaho-mqtt3a.a
     ${CMAKE_SOURCE_DIR}/third_party/lib/libpaho-mqtt3c.a
 )
-
-# 拷贝配置文件（仅在不存在时）
-add_custom_command(
-    TARGET ${APP_NAME}
-    POST_BUILD
-    COMMAND /bin/bash
-            "-c"
-            "if [ ! -f \"$<TARGET_FILE_DIR:${APP_NAME}>/${CONFIG_FILE}\" ]; then mkdir -p \"$<TARGET_FILE_DIR:${APP_NAME}>\" && cp \"${CMAKE_SOURCE_DIR}/${CONFIG_EXAMPLE_FILE}\" \"$<TARGET_FILE_DIR:${APP_NAME}>/${CONFIG_FILE}\"; fi"
-)