diff --git a/src/DatabaseServices/Room/ParseService/Hole/RoomIHoleParseAndModify.ts b/src/DatabaseServices/Room/ParseService/Hole/RoomIHoleParseAndModify.ts
index e2854b48d..54aaec5a5 100644
--- a/src/DatabaseServices/Room/ParseService/Hole/RoomIHoleParseAndModify.ts
+++ b/src/DatabaseServices/Room/ParseService/Hole/RoomIHoleParseAndModify.ts
@@ -7,7 +7,8 @@ import { RoomHolePolyline } from "../../Entity/Wall/Hole/RoomHolePolyline";
 import { RoomWallBase } from "../../Entity/Wall/RoomWallBase";
 import { RoomWallLine } from "../../Entity/Wall/RoomWallLine";
 import { CreateGetCurveParam, GetCurveParam, GetLineParam } from "../GetCurveParam";
-import { FindBestRange, ParseWallRange } from "./RoomWallPlaceIHoleHelper";
+import { InsertSortedIndex } from "../RangeUtils";
+import { ParseWallRange } from "./RoomWallPlaceIHoleHelper";
 
 /**
  * 用于解析和修改2点洞位置的类
@@ -38,7 +39,8 @@ export class RoomIHoleParseAndModify
         let sparam = getParam.GetParamAtPoint(hole.Points[0]);
         let eparam = getParam.GetParamAtPoint(hole.Points[1]);
 
-        let range = FindBestRange((sparam + eparam) / 2, ranges); //取中点
+        let index = InsertSortedIndex(ranges, (sparam + eparam) / 2, (v, range) => v - range[0] + 1e-5);
+        let range = ranges[index - 1] ?? ranges[0] ?? [0, 1];//保证永远都有范围,保证不会出错
 
         let length = wall instanceof RoomWallLine ? (getParam as GetLineParam).Length : wall.Length;
         this._WallLength = length;