diff --git a/kernel/model/appearance.go b/kernel/model/appearance.go
index b9dc19db3..c70e1bcd5 100644
--- a/kernel/model/appearance.go
+++ b/kernel/model/appearance.go
@@ -17,7 +17,6 @@
 package model
 
 import (
-	"errors"
 	"fmt"
 	"os"
 	"path/filepath"
@@ -142,72 +141,6 @@ func loadThemes() {
 	}
 }
 
-func iconJSON(iconName string) (ret map[string]interface{}, err error) {
-	p := filepath.Join(util.IconsPath, iconName, "icon.json")
-	if !gulu.File.IsExist(p) {
-		err = os.ErrNotExist
-		return
-	}
-	data, err := os.ReadFile(p)
-	if nil != err {
-		logging.LogErrorf("read icon.json [%s] failed: %s", p, err)
-		return
-	}
-	if err = gulu.JSON.UnmarshalJSON(data, &ret); nil != err {
-		logging.LogErrorf("parse icon.json [%s] failed: %s", p, err)
-		return
-	}
-	if 4 > len(ret) {
-		logging.LogWarnf("invalid icon.json [%s]", p)
-		return nil, errors.New("invalid icon.json")
-	}
-	return
-}
-
-func templateJSON(templateName string) (ret map[string]interface{}, err error) {
-	p := filepath.Join(util.DataDir, "templates", templateName, "template.json")
-	if !gulu.File.IsExist(p) {
-		err = os.ErrNotExist
-		return
-	}
-	data, err := os.ReadFile(p)
-	if nil != err {
-		logging.LogErrorf("read template.json [%s] failed: %s", p, err)
-		return
-	}
-	if err = gulu.JSON.UnmarshalJSON(data, &ret); nil != err {
-		logging.LogErrorf("parse template.json [%s] failed: %s", p, err)
-		return
-	}
-	if 4 > len(ret) {
-		logging.LogWarnf("invalid template.json [%s]", p)
-		return nil, errors.New("invalid template.json")
-	}
-	return
-}
-
-func widgetJSON(widgetName string) (ret map[string]interface{}, err error) {
-	p := filepath.Join(util.DataDir, "widgets", widgetName, "widget.json")
-	if !gulu.File.IsExist(p) {
-		err = os.ErrNotExist
-		return
-	}
-	data, err := os.ReadFile(p)
-	if nil != err {
-		logging.LogErrorf("read widget.json [%s] failed: %s", p, err)
-		return
-	}
-	if err = gulu.JSON.UnmarshalJSON(data, &ret); nil != err {
-		logging.LogErrorf("parse widget.json [%s] failed: %s", p, err)
-		return
-	}
-	if 4 > len(ret) {
-		logging.LogWarnf("invalid widget.json [%s]", p)
-		return nil, errors.New("invalid widget.json")
-	}
-	return
-}
-
 func loadIcons() {
 	iconDirs, err := os.ReadDir(util.IconsPath)
 	if nil != err {
@@ -222,7 +155,7 @@ func loadIcons() {
 			continue
 		}
 		name := iconDir.Name()
-		iconConf, err := iconJSON(name)
+		iconConf, err := bazaar.IconJSON(name)
 		if nil != err || nil == iconConf {
 			continue
 		}
diff --git a/kernel/model/bazzar.go b/kernel/model/bazzar.go
index a3130e274..a7c6f4b6c 100644
--- a/kernel/model/bazzar.go
+++ b/kernel/model/bazzar.go
@@ -32,15 +32,15 @@ func GetPackageREADME(repoURL, repoHash string) (ret string) {
 	return
 }
 
-func BazaarPlugins() (widgets []*bazaar.Widget) {
-	widgets = bazaar.Widgets()
-	for _, widget := range widgets {
-		widget.Installed = gulu.File.IsDir(filepath.Join(util.DataDir, "widgets", widget.Name))
-		if widget.Installed {
-			if widget.Installed {
-				if widgetConf, err := widgetJSON(widget.Name); nil == err && nil != widget {
-					if widget.Version != widgetConf["version"].(string) {
-						widget.Outdated = true
+func BazaarPlugins() (plugins []*bazaar.Plugin) {
+	plugins = bazaar.Plugins()
+	for _, plugin := range plugins {
+		plugin.Installed = gulu.File.IsDir(filepath.Join(util.DataDir, "plugins", plugin.Name))
+		if plugin.Installed {
+			if plugin.Installed {
+				if pluginConf, err := bazaar.PluginJSON(plugin.Name); nil == err && nil != plugin {
+					if plugin.Version != pluginConf["version"].(string) {
+						plugin.Outdated = true
 					}
 				}
 			}
@@ -78,7 +78,7 @@ func BazaarWidgets() (widgets []*bazaar.Widget) {
 		widget.Installed = gulu.File.IsDir(filepath.Join(util.DataDir, "widgets", widget.Name))
 		if widget.Installed {
 			if widget.Installed {
-				if widgetConf, err := widgetJSON(widget.Name); nil == err && nil != widget {
+				if widgetConf, err := bazaar.WidgetJSON(widget.Name); nil == err && nil != widget {
 					if widget.Version != widgetConf["version"].(string) {
 						widget.Outdated = true
 					}
@@ -118,7 +118,7 @@ func BazaarIcons() (icons []*bazaar.Icon) {
 		for _, icon := range icons {
 			if installed == icon.Name {
 				icon.Installed = true
-				if themeConf, err := iconJSON(icon.Name); nil == err {
+				if themeConf, err := bazaar.IconJSON(icon.Name); nil == err {
 					if icon.Version != themeConf["version"].(string) {
 						icon.Outdated = true
 					}
@@ -230,7 +230,7 @@ func BazaarTemplates() (templates []*bazaar.Template) {
 	for _, template := range templates {
 		template.Installed = gulu.File.IsExist(filepath.Join(util.DataDir, "templates", template.Name))
 		if template.Installed {
-			if themeConf, err := templateJSON(template.Name); nil == err && nil != themeConf {
+			if themeConf, err := bazaar.TemplateJSON(template.Name); nil == err && nil != themeConf {
 				if template.Version != themeConf["version"].(string) {
 					template.Outdated = true
 				}