diff --git a/index.js b/index.js
index c2ff16d..d378029 100644
--- a/index.js
+++ b/index.js
@@ -1,42 +1,41 @@
-/*
-var colors = require('colors') // require后，字符串被添加了一系列方法： str.white, str.inverse, ...
-// colors.styles: bold,italic,underline,inverse,yellow,cyan,white,magenta,green,red,grey,blue,rainbow,zebra,random
-// 自定义的 themes：
-colors.setTheme({
-  logprompt: 'inverse',
-  logok:'green',
-  logerror: 'red',
-  logwarn: 'magenta',
-  logtitle: 'cyan'
-})
-*/
-
-const bunyan = require('bunyan')
-const PrettyStream = require('bunyan-pretty-colors')
-const path = require('path')
-
-var prettyStdOut = new PrettyStream()
-prettyStdOut.pipe(process.stdout)
-
-var logger = function (option) {
-  option = option || {}
-  return bunyan.createLogger({
-    name: 'log',
-    src: false,
-    streams: [
-      {
-        level: 'info',
-        stream: prettyStdOut,
-      },
-      {
-        level: 'info',
-        type: 'rotating-file',
-        path: path.join(option.root || '_logstore/', '/', option.file || 'info.log'),
-        period: '1d', // daily rotation
-        count: 30, // keep 30 days
-      },
-    ],
-  })
-}
-
-module.exports = logger // trace, debug, info, warn, error, fatal
+const colors = require('colors')
+
+// HBuilder 内置环境的 console 不支持颜色。为了检查是否支持颜色，可测试 uniCloud 是否存在（不存在说明在自己的server环境里），或 require('supports-color')，相应的返回不同的 ccXXX 函数。
+
+module.exports = typeof uniCloud === 'undefined' ? {
+  cclog(...args) {
+    console.log({timeiso: new Date().toJSON()}, ...args)
+  },
+  ccinfo(...args) {
+    console.info({timeiso: new Date().toJSON()}, ...args)
+  },
+  ccerror(...args) { // console.error will appear in pm2's error log
+    console.error({timeiso: new Date().toJSON()}, ...args)
+  },
+  ccwarn(...args) { // console.warn will appear in pm2's error log
+    console.warn({timeiso: new Date().toJSON()}, ...args)
+  },
+  ccdebug(...args) {
+    if ('development'===process.env.NODE_ENV) { // 在server的测试环境下. 注意在 uniCloud 环境下，`process.env.NODE_ENV` 不存在. 如要应用本方法，需要手动设置 `process.env.NODE_ENV`
+      console.log({timeiso: new Date().toJSON()}, ...args)
+    }
+  }
+} : {
+  cclog(...args) {
+    console.log(colors.blue({timeiso: new Date().toJSON()}), ...args)
+  },
+  ccinfo(...args) {
+    console.info(colors.green({timeiso: new Date().toJSON()}), ...args)
+  },
+  ccerror(...args) { // console.error will appear in pm2's error log
+    console.error(colors.red({timeiso: new Date().toJSON()}), ...args)
+  },
+  ccwarn(...args) { // console.warn will appear in pm2's error log
+    console.warn(colors.yellow({timeiso: new Date().toJSON()}), ...args)
+  },
+  ccdebug(...args) {
+    if ('development'===process.env.NODE_ENV) { // 在server的测试环境下. 注意在 uniCloud 环境下，`process.env.NODE_ENV` 不存在. 如要应用本方法，需要手动设置 `process.env.NODE_ENV`
+      console.log(colors.rainbow({timeiso: new Date().toJSON()}), ...args)
+    }
+  }
+}
diff --git a/package.json b/package.json
index c50c54c..dd60f93 100644
--- a/package.json
+++ b/package.json
@@ -1,14 +1,12 @@
 {
-  "name": "base.logger",
-  "version": "0.1.0",
-  "private": true,
+  "name": "corend-cocon",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {},
+  "author": "",
+  "license": "ISC",
   "dependencies": {
-    "bunyan": "^1.8.12",
-    "bunyan-pretty-colors": "^0.1.7"
-  },
-  "devDependencies": {},
-  "scripts": {
-    "setup": "npm install"
-  },
-  "author": ""
+    "colors": "^1.4.0"
+  }
 }