diff --git a/modules/arena/api_info.go b/modules/arena/api_info.go
index 2faeae416..cfe634583 100644
--- a/modules/arena/api_info.go
+++ b/modules/arena/api_info.go
@@ -6,6 +6,7 @@ import (
 	"go_dreamfactory/pb"
 	cfg "go_dreamfactory/sys/configure/structs"
 	"go_dreamfactory/sys/db"
+	"math/rand"
 	"time"
 )
 
@@ -61,6 +62,7 @@ func (this *apiComp) Info(session comm.IUserSession, req *pb.ArenaInfoReq) (code
 			code = pb.ErrorCode_ConfigNoFound
 			return
 		}
+		info.Loc = []float64{float64(info.Dan), float64(rand.Int31n(100)) / 1000.0}
 		if err = this.module.modelArena.Add(session.GetUserId(), info); err != nil {
 			this.module.Errorln(err)
 		}