diff --git a/src/Geometry/DrillParse/Sement1dUntils.ts b/src/Geometry/DrillParse/Sement1dUntils.ts
index 9634db2d8..9d0b439d0 100644
--- a/src/Geometry/DrillParse/Sement1dUntils.ts
+++ b/src/Geometry/DrillParse/Sement1dUntils.ts
@@ -1,4 +1,5 @@
-import { Segment1d } from "../../Editor/TranstrolControl/ParseWalls";
+import { Segment1d } from "../../Editor/TranstrolControl/Segment1dUtil";
+
 const FUZZ = 1e-5;
 
 //Segment1d列表中 合并相交的区间