diff --git a/cache/cache_test.go b/cache/cache_test.go
index 40a9d60a..ec344cb1 100644
--- a/cache/cache_test.go
+++ b/cache/cache_test.go
@@ -25,7 +25,7 @@ func TestCache(t *testing.T) {
 	if err != nil {
 		t.Error("init err")
 	}
-	timeoutDuration := 10 * time.Second
+	timeoutDuration := 10
 	if err = bm.Put("astaxie", 1, timeoutDuration*time.Second); err != nil {
 		t.Error("set Error", err)
 	}
@@ -102,7 +102,7 @@ func TestFileCache(t *testing.T) {
 	if err != nil {
 		t.Error("init err")
 	}
-	timeoutDuration := 10 * time.Second
+	timeoutDuration := 10
 	if err = bm.Put("astaxie", 1, timeoutDuration*time.Second); err != nil {
 		t.Error("set Error", err)
 	}
diff --git a/cache/memcache/memcache_test.go b/cache/memcache/memcache_test.go
index ce16f066..9b9582f7 100644
--- a/cache/memcache/memcache_test.go
+++ b/cache/memcache/memcache_test.go
@@ -29,7 +29,7 @@ func TestMemcacheCache(t *testing.T) {
 	if err != nil {
 		t.Error("init err")
 	}
-	timeoutDuration := 10 * time.Second
+	timeoutDuration := 10
 	if err = bm.Put("astaxie", "1", timeoutDuration*time.Second); err != nil {
 		t.Error("set Error", err)
 	}
diff --git a/cache/redis/redis_test.go b/cache/redis/redis_test.go
index e7aa78cb..91efbb3e 100644
--- a/cache/redis/redis_test.go
+++ b/cache/redis/redis_test.go
@@ -18,8 +18,8 @@ import (
 	"testing"
 	"time"
 
-	"github.com/garyburd/redigo/redis"
 	"github.com/astaxie/beego/cache"
+	"github.com/garyburd/redigo/redis"
 )
 
 func TestRedisCache(t *testing.T) {
@@ -27,7 +27,7 @@ func TestRedisCache(t *testing.T) {
 	if err != nil {
 		t.Error("init err")
 	}
-	timeoutDuration := 10 * time.Second
+	timeoutDuration := 10
 	if err = bm.Put("astaxie", 1, timeoutDuration*time.Second); err != nil {
 		t.Error("set Error", err)
 	}
diff --git a/cache/ssdb/ssdb_test.go b/cache/ssdb/ssdb_test.go
index 8083f52d..4fea6fd8 100644
--- a/cache/ssdb/ssdb_test.go
+++ b/cache/ssdb/ssdb_test.go
@@ -18,7 +18,7 @@ func TestSsdbcacheCache(t *testing.T) {
 	if ssdb.IsExist("ssdb") {
 		t.Error("check err")
 	}
-	timeoutDuration := 10 * time.Second
+	timeoutDuration := 10
 	//timeoutDuration := -10*time.Second   if timeoutDuration is negtive,it means permanent
 	if err = ssdb.Put("ssdb", "ssdb", timeoutDuration*time.Second); err != nil {
 		t.Error("set Error", err)