diff --git a/lib/api.js b/lib/api.js
index 407813a..9c85919 100644
--- a/lib/api.js
+++ b/lib/api.js
@@ -61,7 +61,7 @@ class Api {
       let defer = Promise.defer()
 
       if (this.debug) {
-        console.log('[debug]', sql)
+        console.log(`[${new Date().format('Y/m/d_H:i:s')}][debug]`, sql)
       }
 
       conn.query(sql, (err, result) => {
diff --git a/lib/method.js b/lib/method.js
index a815eaf..7797dd0 100644
--- a/lib/method.js
+++ b/lib/method.js
@@ -30,7 +30,7 @@ class Method {
     return this._connect().then(conn => {
       let defer = Promise.defer()
       if (this.debug) {
-        console.log('[debug]', sql)
+        console.log(`[${new Date().format('Y/m/d_H:i:s')}][debug]`, sql)
       }
       conn.query(sql, (err, result) => {
         conn.release()
diff --git a/lib/utils.js b/lib/utils.js
index b5eada9..9725121 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -299,7 +299,7 @@ class SqlErr {
     hideProperty(this, 'stack', msg)
     console.error(
       '-'.repeat(50),
-      '[Last Query SQL]: ' + sql,
+      `[${new Date().format('Y/m/d_H:i:s')}][Last Query SQL]: ${sql}`,
       `Query ${msg}`,
       '-'.repeat(50)
     )
diff --git a/package.json b/package.json
index e032321..f24c963 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mysqli",
-  "version": "3.1.1",
+  "version": "3.1.2",
   "description": "MySQL tool",
   "main": "index.js",
   "dependencies": {