diff --git a/README.md b/README.md
index d93a862..cb68776 100644
--- a/README.md
+++ b/README.md
@@ -235,7 +235,7 @@ plankton()
 
 ```javascript
 plankton()
-    .useLogger((msg, type) => {
+    .useLogger((msg, level) => {
         // handler...
     })
     .map('/', (req, res) => {
diff --git a/lib/logger.js b/lib/logger.js
index 2d825b0..7251081 100644
--- a/lib/logger.js
+++ b/lib/logger.js
@@ -3,33 +3,33 @@ export class Logger {
         this.callback = callback
     }
 
-    log(msg, type = 'info') {
+    log(msg, level = 'info') {
         msg += '\n'
 
         if (this.callback) {
-            this.callback(msg, type)
+            this.callback(msg, level)
             return
         }
 
-        switch (type) {
+        switch (level) {
             case 'error':
-                console.error(`${type}: ${msg}`)
+                console.error(`${level}: ${msg}`)
                 break
 
             case 'warn':
-                console.warn(`${type}: ${msg}`)
+                console.warn(`${level}: ${msg}`)
                 break
 
             case 'debug':
-                console.debug(`${type}: ${msg}`)
+                console.debug(`${level}: ${msg}`)
                 break
 
             case 'info':
-                console.info(`${type}: ${msg}`)
+                console.info(`${level}: ${msg}`)
                 break
 
             default:
-                console.log(`${type}: ${msg}`)
+                console.log(`${level}: ${msg}`)
                 break
         }
     }
diff --git a/lib/plankton.js b/lib/plankton.js
index ba4755a..4142b26 100644
--- a/lib/plankton.js
+++ b/lib/plankton.js
@@ -63,8 +63,13 @@ export class Plankton {
         return this
     }
 
-    useLogger(logger) {
-        this.logger = logger
+    useLogger(callback) {
+        if (callback instanceof Logger) {
+            this.logger = callback
+        }
+        else {
+            this.logger = new Logger(callback)
+        }
         return this
     }
 
diff --git a/package.json b/package.json
index 5dfcb1a..8be48c8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@lixinyang123/plankton",
-  "version": "0.1.9",
+  "version": "0.1.10",
   "description": "Fast, Sample, Zero dependenecs Node.js mvc web framework",
   "author": "lllxy",
   "type": "module",