diff --git a/server/gameserver/mapinstance.cc b/server/gameserver/mapinstance.cc
index 855eb1c9..3c6acfa1 100644
--- a/server/gameserver/mapinstance.cc
+++ b/server/gameserver/mapinstance.cc
@@ -814,18 +814,25 @@ void MapInstance::LoadHouse()
             }
         }
         {
-            int box_tri_arr[8][3] = {
+            int box_tri_arr[12][3] = {
                 {0, 1, 2},
-                    {0, 2, 3},
+                    {0, 3, 2},
 
-                        {0, 1, 2},
-                            {0, 1, 2},
+                        {0, 1, 5},
+                            {0, 4, 5},
 
-                                {0, 1, 2},
-                                    {0, 1, 2},
+                                {0, 3, 7},
+                                    {0, 4, 7},
+
+                                        {6, 5, 4},
+                                            {6, 7, 4},
+
+                                                {6, 7, 3},
+                                                    {6, 2, 3},
+
+                                                        {6, 2, 1},
+                                                            {6, 5, 1}
 
-                                        {0, 1, 2},
-                                            {0, 1, 2}
             };
             //求三角形min_y max_y
             things_.reserve(1024 * 10);