diff --git a/cache/cache_redis.go b/cache/cache_redis.go
index e40254a..04536a6 100644
--- a/cache/cache_redis.go
+++ b/cache/cache_redis.go
@@ -138,10 +138,12 @@ func (this *CacheRedis) Cache(key string, data ...interface{}) *Obj {
 	if len(data) == 2 {
 		this.Error.SetError(nil)
 		tempt := ObjToInt64(data[1], &this.Error)
-		if this.GetError() == nil {
+		if tempt > tim {
+
+			tim = tempt
+		} else if this.GetError() == nil {
 
 			tim = tim + tempt
-
 		}
 	}
 
diff --git a/cache_db.go b/cache_db.go
index 53c0661..1752cae 100644
--- a/cache_db.go
+++ b/cache_db.go
@@ -106,10 +106,11 @@ func (this *CacheDb) Cache(key string, data ...interface{}) *Obj {
 		this.SetError(nil)
 		tempt := ObjToInt64(data[1], &this.Error)
 
-		if this.GetError() == nil {
+		if tempt > tim {
+			tim = tempt
+		} else if this.GetError() == nil {
 
 			tim = tim + tempt
-
 		}
 	}
 	this.set(key, data[0], tim)
diff --git a/cache_memory.go b/cache_memory.go
index e8f2d99..9892b50 100644
--- a/cache_memory.go
+++ b/cache_memory.go
@@ -1,9 +1,9 @@
 package hotime
 
 import (
-	"time"
-	"sync"
 	"strings"
+	"sync"
+	"time"
 )
 
 type CacheMemory struct {
@@ -24,20 +24,20 @@ func (this *CacheMemory) get(key string) interface{} {
 		return nil
 	}
 	//data:=cacheMap[key];
-	if data.time <= time.Now().Unix() {
+	if data.time < time.Now().Unix() {
 		delete(this.Map, key)
 		return nil
 	}
 	return data.data
 }
 
-func (this *CacheMemory)refreshMap(){
+func (this *CacheMemory) refreshMap() {
 
 	go func() {
 		this.mutex.Lock()
 		defer this.mutex.Unlock()
-		for key,v:=range this.Map{
-			data:=v.(cacheData)
+		for key, v := range this.Map {
+			data := v.(cacheData)
 			if data.time <= time.Now().Unix() {
 				delete(this.Map, key)
 			}
@@ -45,8 +45,6 @@ func (this *CacheMemory)refreshMap(){
 
 	}()
 
-
-
 }
 
 //key value ,时间为时间戳
@@ -71,17 +69,17 @@ func (this *CacheMemory) set(key string, value interface{}, time int64) {
 }
 
 func (this *CacheMemory) delete(key string) {
-	del:=strings.Index(key,"*")
+	del := strings.Index(key, "*")
 	//如果通配删除
-	if del!=-1{
-		key=Substr(key,0,del)
-		for k,_:=range this.Map{
-			if strings.Index(k,key)!=-1{
+	if del != -1 {
+		key = Substr(key, 0, del)
+		for k, _ := range this.Map {
+			if strings.Index(k, key) != -1 {
 				delete(this.Map, key)
 			}
 		}
 
-	}else{
+	} else {
 		delete(this.Map, key)
 	}
 
@@ -89,53 +87,54 @@ func (this *CacheMemory) delete(key string) {
 
 func (this *CacheMemory) Cache(key string, data ...interface{}) *Obj {
 
+	x := RandX(1, 100000)
+	if x > 99950 {
+		this.refreshMap()
+	}
+	if this.mutex == nil {
+		this.mutex = &sync.RWMutex{}
+	}
 
-		x:=RandX(1,100000)
-		if x>99950{
-			this.refreshMap()
-		}
-		if this.mutex==nil{
-			this.mutex=&sync.RWMutex{}
-		}
+	reData := &Obj{Data: nil}
 
-		reData:= &Obj{}
+	if len(data) == 0 {
+		this.mutex.RLock()
+		reData.Data = this.get(key)
+		this.mutex.RUnlock()
+		return reData
+	}
+	tim := time.Now().Unix()
 
-
-		if len(data) == 0 {
-			this.mutex.RLock()
-			reData.Data=this.get(key)
-			 this.mutex.RUnlock()
-			return reData
-		}
-		tim := time.Now().Unix()
-
-		if len(data) == 1 && data[0] == nil {
-			this.mutex.Lock()
-			this.delete(key)
-			this.mutex.Unlock()
-			return reData
-		}
-
-		if len(data) == 1 {
-
-			if this.Time == 0 {
-				this.Time = Config.GetInt64("cacheShortTime")
-			}
-
-			tim += this.Time
-		}
-		if len(data) == 2 {
-			this.Error.SetError(nil)
-			tempt := ObjToInt64(data[1], &this.Error)
-			if this.GetError() == nil {
-
-				tim = tim + tempt
-
-			}
-		}
+	if len(data) == 1 && data[0] == nil {
 		this.mutex.Lock()
-		this.set(key, data[0], tim)
+		this.delete(key)
 		this.mutex.Unlock()
 		return reData
+	}
+
+	if len(data) == 1 {
+
+		if this.Time == 0 {
+			this.Time = Config.GetInt64("cacheShortTime")
+		}
+
+		tim = tim + this.Time
+	}
+	if len(data) == 2 {
+		this.Error.SetError(nil)
+		tempt := ObjToInt64(data[1], &this.Error)
+
+		if tempt > tim {
+
+			tim = tempt
+		} else if this.GetError() == nil {
+
+			tim = tim + tempt
+		}
+	}
+	this.mutex.Lock()
+	this.set(key, data[0], tim)
+	this.mutex.Unlock()
+	return reData
 
 }