diff --git a/kernel/api/petal.go b/kernel/api/petal.go
index 8f5e66806..9f6be4147 100644
--- a/kernel/api/petal.go
+++ b/kernel/api/petal.go
@@ -61,29 +61,3 @@ func setPetalEnabled(c *gin.Context) {
 
 	ret.Data = data
 }
-
-func setPetalConf(c *gin.Context) {
-	ret := gulu.Ret.NewResult()
-	defer c.JSON(http.StatusOK, ret)
-
-	arg, ok := util.JsonArg(c, ret)
-	if !ok {
-		return
-	}
-
-	param, err := gulu.JSON.MarshalJSON(arg)
-	if nil != err {
-		ret.Code = -1
-		ret.Msg = err.Error()
-		return
-	}
-
-	conf := &model.PetalConf{}
-	if err = gulu.JSON.UnmarshalJSON(param, conf); nil != err {
-		ret.Code = -1
-		ret.Msg = err.Error()
-		return
-	}
-
-	conf.Save()
-}
diff --git a/kernel/api/router.go b/kernel/api/router.go
index a18a72089..592f72e44 100644
--- a/kernel/api/router.go
+++ b/kernel/api/router.go
@@ -363,5 +363,4 @@ func ServeAPI(ginServer *gin.Engine) {
 
 	ginServer.Handle("POST", "/api/petal/loadPetals", model.CheckAuth, model.CheckReadonly, loadPetals)
 	ginServer.Handle("POST", "/api/petal/setPetalEnabled", model.CheckAuth, model.CheckReadonly, setPetalEnabled)
-	ginServer.Handle("POST", "/api/petal/setPetalConf", model.CheckAuth, model.CheckReadonly, setPetalConf)
 }
diff --git a/kernel/conf/bazaar.go b/kernel/conf/bazaar.go
index 9dbbfcfe3..41bcc6c99 100644
--- a/kernel/conf/bazaar.go
+++ b/kernel/conf/bazaar.go
@@ -18,10 +18,12 @@ package conf
 
 type Bazaar struct {
 	Trust bool `json:"trust"`
+	Petal bool `json:"petal"`
 }
 
 func NewBazaar() *Bazaar {
 	return &Bazaar{
 		Trust: false,
+		Petal: true,
 	}
 }
diff --git a/kernel/model/plugin.go b/kernel/model/plugin.go
index 85e1066f4..510b89797 100644
--- a/kernel/model/plugin.go
+++ b/kernel/model/plugin.go
@@ -40,33 +40,6 @@ type Petal struct {
 	I18n map[string]interface{} `json:"i18n"` // i18n text
 }
 
-type PetalConf struct {
-	Enabled bool `json:"enabled"`
-}
-
-func (pConf *PetalConf) Save() {
-	if util.ReadOnly {
-		return
-	}
-
-	petalsStoreLock.Lock()
-	defer petalsStoreLock.Unlock()
-
-	data, _ := gulu.JSON.MarshalIndentJSON(pConf, "", "  ")
-	petalDir := filepath.Join(util.DataDir, "storage", "petal")
-	if err := os.MkdirAll(petalDir, 0777); nil != err {
-		logging.LogErrorf("create petal dir [%s] failed: %s", petalDir, err)
-		return
-	}
-
-	confPath := filepath.Join(petalDir, "conf.json")
-	if err := filelock.WriteFile(confPath, data); nil != err {
-		logging.LogErrorf("write petal conf [%s] failed: %s", confPath, err)
-		util.ReportFileSysFatalError(err)
-		return
-	}
-}
-
 func SetPetalEnabled(name string, enabled bool, frontend string) (ret *Petal, err error) {
 	petals := getPetals()
 
@@ -99,23 +72,8 @@ func SetPetalEnabled(name string, enabled bool, frontend string) (ret *Petal, er
 func LoadPetals(frontend string) (ret []*Petal) {
 	ret = []*Petal{}
 
-	petalDir := filepath.Join(util.DataDir, "storage", "petal")
-	confPath := filepath.Join(petalDir, "conf.json")
-	if gulu.File.IsExist(confPath) {
-		data, err := filelock.ReadFile(confPath)
-		if nil != err {
-			logging.LogErrorf("read petal conf [%s] failed: %s", confPath, err)
-		} else {
-			petalConf := &PetalConf{}
-			if err = gulu.JSON.UnmarshalJSON(data, petalConf); nil != err {
-				logging.LogErrorf("unmarshal petal conf [%s] failed: %s", confPath, err)
-			} else {
-				if !petalConf.Enabled {
-					logging.LogInfof("plugin system has been disabled")
-					return
-				}
-			}
-		}
+	if !Conf.Bazaar.Petal {
+		return
 	}
 
 	petals := getPetals()