diff --git a/FormAnalysis/FrmAnalysis.cs b/FormAnalysis/FrmAnalysis.cs
index 0450113..e01f805 100644
--- a/FormAnalysis/FrmAnalysis.cs
+++ b/FormAnalysis/FrmAnalysis.cs
@@ -88,6 +88,11 @@
         {
             List<FeatureAnalysisInfo> result = DoublePanelAnalysis.CollisionAnalysis(globeControl1, selectedFeature, pipelineLayerNames);
 
+            if (result == null)
+            {
+                return;
+            }
+
             string caption = selectedFeature.Dataset.Caption;
             DataTable dt = new DataTable();
             dt.Columns.Add("审核图层");