diff --git a/types/feflow__cli/feflow__cli-tests.ts b/types/feflow__cli/feflow__cli-tests.ts
new file mode 100644
index 0000000000..b6fbc6dd06
--- /dev/null
+++ b/types/feflow__cli/feflow__cli-tests.ts
@@ -0,0 +1,20 @@
+module.exports = (ctx: Feflow.ctx) => {
+    const {
+      commander,
+      hook,
+      logger,
+    } = ctx;
+    const [ action ] = ctx.args['_'];
+    logger.debug(String(action));
+    commander.register('devtool', 'Feflow devtool for better develop a devkit or plugin', async () => {
+        logger.trace('Start dev');
+        logger.debug('Start test');
+        logger.info('Start info');
+    });
+
+    hook.hook('devtool', async () => {
+        logger.warn('Start warn');
+        logger.error('Start error');
+        logger.fatal('Start fatal');
+    });
+};
diff --git a/types/feflow__cli/index.d.ts b/types/feflow__cli/index.d.ts
new file mode 100644
index 0000000000..1f59db421b
--- /dev/null
+++ b/types/feflow__cli/index.d.ts
@@ -0,0 +1,120 @@
+// Type definitions for @feflow/cli 0.18
+// Project: https://github.com/Tencent/feflow/releases
+// Definitions by: nikewu <https://github.com/nikewu>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+/// <reference types="node"/>
+/**
+ *  feflow namespace
+ */
+declare namespace Feflow {
+    /**
+     * feflow context
+     */
+    interface ctx {
+        /**
+         * Feflow context params
+         */
+        args: {
+            _: Array<number | string>
+        };
+        /**
+         * Feflow configuration file in the current directory
+         * ( .feflowrc.json/.feflowrc.js/.feflowrc.yml )
+         */
+        projectConfig: string;
+        /**
+         * Current project path
+         */
+        projectPath: string;
+        /**
+         * Feflow version
+         */
+        version: string;
+        /**
+         * Feflow logger includes: (trace、debug、info、warn、error、fatal)
+         */
+        logger: Logger;
+        /**
+         * Feflow command includes: (register)
+         */
+        commander: Command;
+        /**
+         * Feflow hook includes: (hook)
+         */
+        hook: Hook;
+        /**
+         * Feflow home directory path
+         */
+        root: string;
+        /**
+         * Feflow home directory package.json path
+         */
+        rootPkg: string;
+        /**
+         * feflow config
+         */
+        config: string;
+        /**
+         * feflow config path
+         */
+        configPath: string;
+    }
+}
+
+interface Command {
+    /**
+     * Plugin registration command method parameter description
+     * @param cmd  Plugin command name eg：devtool
+     * @param desc Plugin command description eg： Feflow devtool for better develop a devkit or plugin
+     * @param fn   Plugin callback function
+     */
+    register(cmd: string, desc: string, fn: () => void): void;
+}
+
+interface Hook {
+    /**
+     * Hook will execute befor any command
+     * Hook registration command method parameter description
+     * @param type  Hook name eg：report
+     * @param fn  Hook callback function eg：report
+     */
+    hook(type: string, fn: () => void): void;
+}
+
+interface Logger {
+    /**
+     * Print trace level log, The Color is gray
+     * @param desc log detail
+     */
+    trace(desc: string): void;
+    /**
+     * Print trace level log, The Color is gray
+     * @param desc log detail
+     */
+    debug(desc: string): void;
+
+    /**
+     * Print trace level log, The Color is green
+     * @param desc log detail
+     */
+    info(desc: string): void;
+
+    /**
+     * Print trace level log, The Color is yellow
+     * @param desc log detail
+     */
+    warn(desc: string): void;
+
+    /**
+     * Print trace level log, The Color is red
+     * @param desc log detail
+     */
+    error(desc: string): void;
+
+    /**
+     * Print trace level log, The Color is red
+     * @param desc log detail
+     */
+    fatal(desc: string): void;
+}
diff --git a/types/feflow__cli/tsconfig.json b/types/feflow__cli/tsconfig.json
new file mode 100644
index 0000000000..a9dd275098
--- /dev/null
+++ b/types/feflow__cli/tsconfig.json
@@ -0,0 +1,28 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true,
+        "paths": {
+            "@feflow/cli": [
+                "feflow__cli"
+            ]
+        }
+    },
+    "files": [
+        "index.d.ts",
+        "feflow__cli-tests.ts"
+    ]
+}
diff --git a/types/feflow__cli/tslint.json b/types/feflow__cli/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/feflow__cli/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }