diff --git a/SGGL/BLL/HJGL/PointTrust/PointBatchDetailService.cs b/SGGL/BLL/HJGL/PointTrust/PointBatchDetailService.cs
index ddeb5ae3..d878af84 100644
--- a/SGGL/BLL/HJGL/PointTrust/PointBatchDetailService.cs
+++ b/SGGL/BLL/HJGL/PointTrust/PointBatchDetailService.cs
@@ -208,7 +208,7 @@ namespace BLL
                 //小于500的焊口按比例及规则点口
                 var batchItems500Down = from x in db.HJGL_Batch_PointBatchItem
                                         join y in db.HJGL_WeldJoint on x.WeldJointId equals y.WeldJointId
-                                        where y.Dia < 500 && x.PointBatchId == pointBatchId
+                                        where (y.Dia < 500 || y.Dia == null) && x.PointBatchId == pointBatchId
                                         select x;
                 if (batch.DetectionRateId != null && batchItems500Down.Count() > 0)
                 {
@@ -219,11 +219,11 @@ namespace BLL
 
                 var weldG = from x in db.HJGL_Batch_PointBatchItem
                             join y in db.HJGL_WeldJoint on x.WeldJointId equals y.WeldJointId
-                            where y.JointAttribute == "安装口" && y.Dia < 500 && x.PointBatchId == pointBatchId
+                            where y.JointAttribute == "安装口" && (y.Dia < 500 || y.Dia == null) && x.PointBatchId == pointBatchId
                             select x;
                 var weldA = from x in db.HJGL_Batch_PointBatchItem
                             join y in db.HJGL_WeldJoint on x.WeldJointId equals y.WeldJointId
-                            where y.JointAttribute == "预制口" && y.Dia < 500 && x.PointBatchId == pointBatchId
+                            where y.JointAttribute == "预制口" && (y.Dia < 500 || y.Dia == null) && x.PointBatchId == pointBatchId
                             select x;
                 if (weldG.Count() > 0)
                 {