diff --git a/build.sh b/build.sh
index 166dd29f..02cbf442 100644
--- a/build.sh
+++ b/build.sh
@@ -228,7 +228,7 @@ if [[ "X$ENABLE_GE_UT" = "Xon" || "X$ENABLE_GE_COV" = "Xon" ]]; then
          cd ${BASEPATH}
          rm -rf ${BASEPATH}/cov
          mkdir ${BASEPATH}/cov
-         gcovr -r ./ --exclude 'third_party' --exclude 'build' --exclude 'tests' --exclude 'inc' --print-summary --html --html-details -d -o cov/index.html
+         gcovr -r ./ --exclude 'third_party' --exclude 'build' --exclude 'output' --exclude 'tests' --exclude 'inc' --print-summary --html --html-details -d -o cov/index.html
 #     fi
 fi