diff --git a/cf-module-prod-executor/cf-module-prod-executor-biz/src/main/java/com/cf/imes/module/executor/util/fileConversion/admin/api/webcad/ApiTypeRealize.java b/cf-module-prod-executor/cf-module-prod-executor-biz/src/main/java/com/cf/imes/module/executor/util/fileConversion/admin/api/webcad/ApiTypeRealize.java
index a15244ecd..dbade5660 100644
--- a/cf-module-prod-executor/cf-module-prod-executor-biz/src/main/java/com/cf/imes/module/executor/util/fileConversion/admin/api/webcad/ApiTypeRealize.java
+++ b/cf-module-prod-executor/cf-module-prod-executor-biz/src/main/java/com/cf/imes/module/executor/util/fileConversion/admin/api/webcad/ApiTypeRealize.java
@@ -1326,7 +1326,7 @@ public class ApiTypeRealize {
             }
             List<IContourData> contourData = new ArrayList<>();
             for (int j = 0; j < element.size(); j++) {
-                JSONObject point = element.getJSONObject(i);
+                JSONObject point = element.getJSONObject(j);
                 String[] points = splitAndTrim(point.getString(ProduceApiConstants.BPD_MODEL_ORIGIN_MODELING_HOLES_POS));
                 Point pointVO = Point.builder()
                         .x(Double.valueOf(points[X]))