diff --git a/cmake/InstallConfig.cmake b/cmake/InstallConfig.cmake
index 4af46fc..48a23b7 100644
--- a/cmake/InstallConfig.cmake
+++ b/cmake/InstallConfig.cmake
@@ -26,7 +26,7 @@ set(generated_dir "${CMAKE_CURRENT_BINARY_DIR}/generated")
 set(version_config "${generated_dir}/${PROJECT_NAME}ConfigVersion.cmake")
 set(project_config "${generated_dir}/${PROJECT_NAME}Config.cmake")
 set(TARGETS_EXPORT_NAME "${PROJECT_NAME}Targets")
-set(namespace "${PROJECT_NAME}::")
+set(namespace "")
 
 # Include module with fuction 'write_basic_package_version_file'
 include(CMakePackageConfigHelpers)
diff --git a/cmake/InstallInclude.cmake b/cmake/InstallInclude.cmake
index 70227a8..964fd9e 100644
--- a/cmake/InstallInclude.cmake
+++ b/cmake/InstallInclude.cmake
@@ -3,4 +3,4 @@ install(
     DIRECTORY "bcos-utilities"
     DESTINATION "${DESTINATION_INCLUDE_DIR}"
     FILES_MATCHING PATTERN "*.h"
-)
\ No newline at end of file
+)