diff --git a/global/load.go b/global/load.go
index 22ce5339..2cda9625 100644
--- a/global/load.go
+++ b/global/load.go
@@ -12,6 +12,7 @@ import (
 	jsoniter "github.com/json-iterator/go"
 	"github.com/yaoapp/gou"
 	"github.com/yaoapp/kun/exception"
+	"github.com/yaoapp/kun/maps"
 	"github.com/yaoapp/xiang/config"
 	"github.com/yaoapp/xiang/data"
 	"github.com/yaoapp/xiang/share"
@@ -78,15 +79,15 @@ func LoadAppInfo(root string) {
 	}
 
 	if fs.MustExists("/xiang/icons/icon.icns") {
-		info.Icons["icns"] = xfs.Encode(fs.MustReadFile("/xiang/icons/icon.icns"))
+		info.Icons.Set("icns", xfs.Encode(fs.MustReadFile("/xiang/icons/icon.icns")))
 	}
 
 	if fs.MustExists("/xiang/icons/icon.ico") {
-		info.Icons["ico"] = xfs.Encode(fs.MustReadFile("/xiang/icons/icon.ico"))
+		info.Icons.Set("ico", xfs.Encode(fs.MustReadFile("/xiang/icons/icon.ico")))
 	}
 
 	if fs.MustExists("/xiang/icons/icon.png") {
-		info.Icons["png"] = xfs.Encode(fs.MustReadFile("/xiang/icons/icon.png"))
+		info.Icons.Set("png", xfs.Encode(fs.MustReadFile("/xiang/icons/icon.png")))
 	}
 
 	share.App = info
@@ -94,15 +95,17 @@ func LoadAppInfo(root string) {
 
 // defaultAppInfo 读取默认应用信息
 func defaultAppInfo() share.AppInfo {
-	info := share.AppInfo{}
+	info := share.AppInfo{
+		Icons: maps.MakeSync(),
+	}
 	err := jsoniter.Unmarshal(data.MustAsset("xiang/data/app.json"), &info)
 	if err != nil {
 		exception.New("解析默认应用失败 %s", 500, err).Throw()
 	}
 
-	info.Icons["icns"] = xfs.Encode(data.MustAsset("xiang/data/icons/icon.icns"))
-	info.Icons["ico"] = xfs.Encode(data.MustAsset("xiang/data/icons/icon.ico"))
-	info.Icons["png"] = xfs.Encode(data.MustAsset("xiang/data/icons/icon.png"))
+	info.Icons.Set("icns", xfs.Encode(data.MustAsset("xiang/data/icons/icon.icns")))
+	info.Icons.Set("ico", xfs.Encode(data.MustAsset("xiang/data/icons/icon.ico")))
+	info.Icons.Set("png", xfs.Encode(data.MustAsset("xiang/data/icons/icon.png")))
 
 	return info
 }
diff --git a/global/process.go b/global/process.go
index e95dc3e7..0f343cc8 100644
--- a/global/process.go
+++ b/global/process.go
@@ -29,13 +29,13 @@ func processPing(process *gou.Process) interface{} {
 
 // processInspect 返回系统信息
 func processInspect(process *gou.Process) interface{} {
-	share.App.Icons["favicon"] = "/api/xiang/favicon.ico"
+	share.App.Icons.Set("favicon", "/api/xiang/favicon.ico")
 	return share.App.Public()
 }
 
 // processFavicon 运行模型 MustCreate
 func processFavicon(process *gou.Process) interface{} {
-	return xfs.DecodeString(share.App.Icons["png"])
+	return xfs.DecodeString(share.App.Icons.Get("png").(string))
 }
 
 // processFileContent 返回文件内容
diff --git a/global/vars.go b/global/vars.go
index 4779e508..d4bdedec 100644
--- a/global/vars.go
+++ b/global/vars.go
@@ -9,7 +9,7 @@ import (
 )
 
 // VERSION 版本号
-const VERSION = "0.8.2"
+const VERSION = "0.8.3"
 
 // DOMAIN 许可域
 const DOMAIN = "*.iqka.com"
diff --git a/share/app.go b/share/app.go
index 69a50772..c8a0ff80 100644
--- a/share/app.go
+++ b/share/app.go
@@ -1,5 +1,7 @@
 package share
 
+import "github.com/yaoapp/kun/maps"
+
 // App 应用信息
 var App AppInfo
 
@@ -9,7 +11,7 @@ type AppInfo struct {
 	Short       string                 `json:"short,omitempty"`
 	Version     string                 `json:"version,omitempty"`
 	Description string                 `json:"description,omitempty"`
-	Icons       map[string]string      `json:"icons,omitempty"`
+	Icons       maps.MapStrSync        `json:"icons,omitempty"`
 	Storage     AppStorage             `json:"storage,omitempty"`
 	Option      map[string]interface{} `json:"option,omitempty"`
 }