diff --git a/.drone.yml b/.drone.yml
index 926883b0ba7ae21ba488b459c53339212e7150f7..5d997560d492312a03d01da015f9b2adf5fc7c70 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -7,6 +7,19 @@ platform:
   arch: amd64
 
 steps:
+- name: build
+  image: gcc
+  commands:
+  - apt-get update
+  - apt-get install -y cmake build-essential
+  - mkdir debug
+  - cd debug
+  - cmake .. 
+  - make 
+  when:
+    branch:
+    - develop
+    - master
 
 - name: smoke_test
   image: python:3.8
@@ -16,11 +29,7 @@ steps:
   - pip3 install psutil
   - pip3 install guppy3
   - pip3 install src/connector/python/linux/python3/
-  - mkdir debug
-  - cd debug
-  - cmake .. 
-  - make 
-  - cd ../tests
+  - cd tests
   - ./test-all.sh smoke
   when:
     branch:
diff --git a/tests/test-all.sh b/tests/test-all.sh
index 997894c509bd4b46552b5e0c36d952220873a85c..47e5de6aa0bd9821f6c30ba0dce6c03952f0a8a6 100755
--- a/tests/test-all.sh
+++ b/tests/test-all.sh
@@ -66,7 +66,7 @@ function runSimCaseOneByOne {
         echo -e "${RED} failed${NC}" | tee -a out.log
       else
         echo -n $case
-        ./test.sh -f $case  && \
+        ./test.sh -f $case > /dev/null 2>&1 && \
         ( grep -q 'script.*'$case'.*failed.*, err.*lineNum' ../../sim/tsim/log/taoslog0.0 && echo -e "${RED} failed${NC}" | tee -a out.log  ||  echo -e "${GREEN} success${NC}" | tee -a out.log )|| \
         ( grep -q 'script.*success.*m$' ../../sim/tsim/log/taoslog0.0 && echo -e "${GREEN} success${NC}" | tee -a out.log )  || \
         echo -e "${RED} failed${NC}" | tee -a out.log