diff --git a/.circlec/config.yml b/.circlec/config.yml
index 4fa73cf..173566a 100644
--- a/.circlec/config.yml
+++ b/.circlec/config.yml
@@ -2,19 +2,17 @@ version: 2
 jobs:
   build:
     docker:
-      # specify the version you desire here
       - image: circleci/node:7.10
-
-      # Specify service dependencies here if necessary
-      # CircleCI maintains a library of pre-built images
-      # documented at https://circleci.com/docs/2.0/circleci-images/
-      # - image: circleci/mongo:3.4.4
-
+      
     working_directory: ~/repo
 
     steps:
       - checkout
 
+      - run:
+          name: update-npm
+          command: 'sudo npm install -g npm@latest'
+
       # Download and cache dependencies
       - restore_cache:
           keys:
@@ -22,7 +20,9 @@ jobs:
           # fallback to using the latest cache if no exact match is found
           - v1-dependencies-
 
-      - run: yarn install
+      - run:
+          name: install
+          command: npm install
 
       - save_cache:
           paths:
@@ -30,4 +30,6 @@ jobs:
           key: v1-dependencies-{{ checksum "package.json" }}
 
       # run tests!
-      - run: yarn test
+      - run:
+         name: test
+         command: npm run unit
diff --git a/README.cn.md b/README.cn.md
deleted file mode 100644
index 0db68d7..0000000
--- a/README.cn.md
+++ /dev/null
@@ -1 +0,0 @@
-Todo
diff --git a/README.ru.md b/README.ru.md
deleted file mode 100644
index 258cd57..0000000
--- a/README.ru.md
+++ /dev/null
@@ -1 +0,0 @@
-todo