diff --git a/dao/sim_dao.go b/dao/sim_dao.go
index f073fcb..7c286de 100644
--- a/dao/sim_dao.go
+++ b/dao/sim_dao.go
@@ -61,7 +61,7 @@ func GetSimFlowIncomeSum(db *sqlx.DB, iccid string, createdAtBegin, createdAtEnd
 		SELECT SUM(
 				IF(flow_unit = 'KB', flow,
 					IF(flow_unit = 'MB', ROUND(flow * 1024),
-						IF(flow_unit = 'GB', ROUND(flow * 1024 * 1024), 0)
+						IF(flow_unit = 'GB', ROUND(flow * 1024 *	 1024), 0)
 					)
 				)
 			) flow, icc_id, 'KB' flow_unit
diff --git a/routers/router.go b/routers/router.go
index 680b162..3b515b0 100644
--- a/routers/router.go
+++ b/routers/router.go
@@ -13,11 +13,13 @@ func Init(r *gin.Engine) {
 	user.GET("/getTokenInfo", controllers.GetTokenInfo)
 	user.POST("/logout", controllers.Logout)
 	user.POST("/updateUser", controllers.UpdateUser)
+
 	//app
 	app := v2.Group("/app")
 	app.GET("/getApps", controllers.GetApps)
 	app.POST("/addApp", controllers.AddApp)
 	app.POST("/delApp", controllers.DelApp)
+
 	//print
 	print := v2.Group("/print")
 	print.POST("/addPrinters", controllers.AddPrinters)
@@ -27,6 +29,7 @@ func Init(r *gin.Engine) {
 	print.POST("/testPrint", controllers.TestPrint)
 	print.GET("/getPrintMessages", controllers.GetPrintMessages)
 	print.GET("/getPrinterReport", controllers.GetPrinterReport)
+
 	//order
 	order := v2.Group("/order")
 	order.POST("/createOrder", controllers.CreateOrder)
diff --git a/services/list_test.go b/services/list_test.go
new file mode 100644
index 0000000..a94a51b
--- /dev/null
+++ b/services/list_test.go
@@ -0,0 +1,15 @@
+package services
+
+import (
+	"fmt"
+	"sort"
+	"testing"
+)
+
+func Test_list(b *testing.T) {
+	//aa := []string{"app_key", "format", "jd_param_json", "timestamp", "token", "v"}
+	aa := []string{"format", "jd_param_json", "app_key", "timestamp", "token", "v"}
+	fmt.Println(aa)
+	sort.Strings(aa)
+	fmt.Println(aa)
+}