diff --git a/application.go b/application.go
index acc140d..f3c1a89 100644
--- a/application.go
+++ b/application.go
@@ -133,8 +133,20 @@ func (this *Application) Run(router Router) {
 
 //启动实例
 func (this *Application) SetConnectDB(connect func(err ...*Error) *sql.DB) {
+
+	//this.Db.DBCached=false
+	//if this.Config.GetCeilInt("dbCached")!=0{
+	//	this.Db.DBCached=true
+	//}
+
 	this.connectDbFunc = connect
 	this.Db.SetConnect(this.connectDbFunc)
+
+	this.Db.DBCached=false
+	if this.Config.GetCeilInt("dbCached")!=0{
+		this.Db.DBCached=true
+	}
+
 }
 
 //设置配置文件路径全路径或者相对路径
diff --git a/db.go b/db.go
index 6d7f5f6..fab4b98 100644
--- a/db.go
+++ b/db.go
@@ -13,6 +13,7 @@ type HoTimeDB struct {
 	*sql.DB
 	contextBase
 	CacheIns
+	DBCached    bool
 	LastQuery   string
 	LastData    []interface{}
 	ConnectFunc func(err ...*Error) *sql.DB
@@ -30,7 +31,7 @@ func (this *HoTimeDB) SetConnect(connect func(err ...*Error) *sql.DB, err ...*Er
 
 //事务，如果action返回true则执行成功；false则回滚
 func (this *HoTimeDB) Action(action func(db HoTimeDB) bool) bool {
-	db := HoTimeDB{DB: this.DB,CacheIns:this.CacheIns}
+	db := HoTimeDB{DB: this.DB,CacheIns:this.CacheIns,DBCached:this.DBCached}
 	tx, err := db.Begin()
 	if err != nil {
 		this.LastErr.SetError(err)
@@ -427,7 +428,7 @@ func (this *HoTimeDB) Select(table string, qu ...interface{}) []Map {
 	qs = append(qs, resWhere...)
 	md5:=this.md5(query,qs...)
 
-	if this.CacheIns!=nil{
+	if this.DBCached&&this.CacheIns!=nil{
 		//如果缓存有则从缓存取
 		cacheData:=this.Cache(table+":"+md5)
 
@@ -448,7 +449,7 @@ func (this *HoTimeDB) Select(table string, qu ...interface{}) []Map {
 	}
 
 	//缓存
-	if this.CacheIns!=nil{
+	if this.DBCached&&this.CacheIns!=nil{
 
 		this.Cache(table+":"+md5,res)
 	}
@@ -854,7 +855,7 @@ func (this *HoTimeDB) Update(table string, data Map, where Map) int64 {
 
 	//如果更新成功，则删除缓存
 	if rows!=0{
-		if this.CacheIns!=nil{
+		if this.DBCached&&this.CacheIns!=nil{
 			this.Cache(table+"*",nil)
 		}
 	}
@@ -877,7 +878,7 @@ func (this *HoTimeDB) Delete(table string, data map[string]interface{}) int64 {
 
 	//如果删除成功,删除对应缓存
 	if rows!=0{
-		if this.CacheIns!=nil{
+		if this.DBCached&&this.CacheIns!=nil{
 			this.Cache(table+"*",nil)
 		}
 	}
@@ -919,7 +920,7 @@ func (this *HoTimeDB) Insert(table string, data map[string]interface{}) int64 {
 
 	//如果插入成功，删除缓存
 	if id!=0{
-		if this.CacheIns!=nil{
+		if this.DBCached&&this.CacheIns!=nil{
 			this.Cache(table+"*",nil)
 		}
 	}
diff --git a/var.go b/var.go
index 08bb0a1..66cbf9b 100644
--- a/var.go
+++ b/var.go
@@ -16,6 +16,7 @@ var Config = Map{
 	"dbUser":         "root",
 	"dbPwd":          "root",
 	"dbPort":         "3306",
+	"dbCached":0,//0不开启缓存
 	"port":           "0",
 	"cacheShortTime": 60 * 60 * 2,
 	"cacheLongTime":  60 * 60 * 24 * 30,