Add exchange api endpoint, fix jwt authtoken var type error

Signed-off-by: Asai Neko <sugar@sne.moe>

service/event/handler.go

@@ -7,7 +7,7 @@ import (
 )
 
 func Handler(r *gin.RouterGroup) {
-	r.Use(middleware.JWTAuth(true), middleware.Permission(10))
+	r.Use(middleware.JWTAuth(), middleware.Permission(10))
 	r.GET("/info", Info)
 	r.GET("/checkin", Checkin)
 	r.GET("/checkin/query", CheckinQuery)