diff --git a/src/kit/taosdemo/CMakeLists.txt b/src/kit/taosdemo/CMakeLists.txt
index 2034093ad5841c267b722930681127d745d27153..bdfdf74715a07d5fca1a4e73b75842ffa47b6e68 100644
--- a/src/kit/taosdemo/CMakeLists.txt
+++ b/src/kit/taosdemo/CMakeLists.txt
@@ -8,12 +8,14 @@ IF (GIT_FOUND)
     MESSAGE("Git found")
     EXECUTE_PROCESS(
         COMMAND ${GIT_EXECUTABLE} log --pretty=oneline -n 1 ${CMAKE_CURRENT_LIST_DIR}/taosdemo.c
+        WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
         RESULT_VARIABLE RESULT
         OUTPUT_VARIABLE TAOSDEMO_COMMIT_SHA1)
     IF ("${TAOSDEMO_COMMIT_SHA1}" STREQUAL "")
-        MESSAGE("taosdemo's latest commit in short is:" ${TAOSDEMO_COMMIT_SHA1})
+        SET(TAOSDEMO_COMMIT_SHA1 "unknown")
     ELSE ()
         STRING(SUBSTRING "${TAOSDEMO_COMMIT_SHA1}" 0 7 TAOSDEMO_COMMIT_SHA1)
+        STRING(STRIP "${TAOSDEMO_COMMIT_SHA1}" TAOSDEMO_COMMIT_SHA1)
     ENDIF ()
     EXECUTE_PROCESS(
         COMMAND ${GIT_EXECUTABLE} status -z -s ${CMAKE_CURRENT_LIST_DIR}/taosdemo.c
@@ -25,14 +27,13 @@ IF (GIT_FOUND)
         RESULT_VARIABLE RESULT
         OUTPUT_VARIABLE TAOSDEMO_STATUS)
     ENDIF (TD_LINUX)
-    MESSAGE("taosdemo.c status: " ${TAOSDEMO_STATUS})
 ELSE()
     MESSAGE("Git not found")
     SET(TAOSDEMO_COMMIT_SHA1 "unknown")
     SET(TAOSDEMO_STATUS "unknown")
 ENDIF (GIT_FOUND)
 
-STRING(STRIP "${TAOSDEMO_COMMIT_SHA1}" TAOSDEMO_COMMIT_SHA1)
+
 MESSAGE("taosdemo's latest commit in short is:" ${TAOSDEMO_COMMIT_SHA1})
 STRING(STRIP "${TAOSDEMO_STATUS}" TAOSDEMO_STATUS)