diff --git a/docker/mace-micro-dev/mace-micro-dev.dockerfile b/docker/mace-micro-dev/mace-micro-dev.dockerfile
index abc1f132fbce20ccf42f2ee9e8eaf5ec38dfb4e3..fda33d87ea3cc75c9c96e3d9d1c01b3a75ced33b 100644
--- a/docker/mace-micro-dev/mace-micro-dev.dockerfile
+++ b/docker/mace-micro-dev/mace-micro-dev.dockerfile
@@ -1,13 +1,19 @@
 FROM ubuntu:18.04
 
-RUN apt-get update
+RUN apt-get update --fix-missing
 RUN apt-get install -y wget
-RUN apt-get install -y g++ gcc
+
+RUN wget https://github.com/Kitware/CMake/releases/download/v3.18.4/cmake-3.18.4-Linux-x86_64.sh && chmod +x cmake-3.18.4-Linux-x86_64.sh && ./cmake-3.18.4-Linux-x86_64.sh --skip-license --prefix=/usr
+
+RUN apt-get install -y g++-5 gcc-5
 RUN apt-get install -y gcc-arm-none-eabi
-RUN apt-get install -y python3 python3-pip git mercurial
+RUN apt-get install -y git mercurial
+RUN apt-get install -y python python-pip
+RUN apt-get install -y python3 python3-pip
 
-RUN wget https://cdn.cnbj1.fds.api.mi-img.com/mace/third-party/cmake-3.18.3-Linux-x86_64.sh
-RUN chmod +x cmake-3.18.3-Linux-x86_64.sh && ./cmake-3.18.3-Linux-x86_64.sh --skip-license --prefix=/usr
+RUN python -m pip install -U pip
+RUN python -m pip install jinja2 pyyaml sh numpy six filelock
+RUN python -m pip install tensorflow==1.8.0
 
 RUN python3 -m pip install -U pip
 RUN python3 -m pip install jinja2 pyyaml sh numpy six filelock
diff --git a/micro/.gitlab-ci.yml b/micro/.gitlab-ci.yml
index 2bd826c14c82e92cab84509bf59fa6b2da92f8b2..5da27f9d1b9a368a4e96257fc728b796024fa7da 100644
--- a/micro/.gitlab-ci.yml
+++ b/micro/.gitlab-ci.yml
@@ -1,3 +1,8 @@
+default:
+  tags:
+    - mace-micro
+  image: mace-micro-dev
+
 before_script:
   - git submodule deinit -f .
   - git submodule sync
@@ -23,6 +28,5 @@ cross-build:
     - bash micro/tools/ci/cross_build.sh
     - bash micro/tools/ci/host_build_and_run_examples.sh
     - bash micro/tools/ci/host_build_and_run_tests.sh
-    # The mbed-cli protobuf version conflicts with others
-    # - bash micro/tools/ci/build_mbed_example.sh
+    - bash micro/tools/ci/build_mbed_example.sh
 
diff --git a/micro/examples/classifier/.mbed b/micro/examples/classifier/.mbed
index 9c0edc955256fc417c5f1d340253bbb08ec16e2e..4b3e34a6a81261995f995023dcf5bc046108ccc3 100644
--- a/micro/examples/classifier/.mbed
+++ b/micro/examples/classifier/.mbed
@@ -1,2 +1,3 @@
 TARGET=NUCLEO_F767ZI
 ROOT=.
+TOOLCHAIN=GCC_ARM
diff --git a/micro/tools/ci/model_convert.sh b/micro/tools/ci/model_convert.sh
index c18acf4e7306007701e6421bf8b177a30b6ba7ba..b3a3f6fcfa8225346cf9772edcc57867a669c769 100755
--- a/micro/tools/ci/model_convert.sh
+++ b/micro/tools/ci/model_convert.sh
@@ -3,7 +3,7 @@
 rm -rf mace-models
 rm -rf build/micro
 
-GIT_SSH_COMMAND="ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no" git clone git@git.n.xiaomi.com:applied-machine-learning/sysml/mace-models.git
+GIT_SSH_COMMAND="ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no" git clone git@git.n.xiaomi.com:applied-machine-learning/sysml/mace-models.git || exit -1
 
 git submodule update --init . || exit -1