diff --git a/src/main/resources/static/js/synthesisQuery/digitalSignage.js b/src/main/resources/static/js/synthesisQuery/digitalSignage.js
index 4559cc0..4bdb901 100644
--- a/src/main/resources/static/js/synthesisQuery/digitalSignage.js
+++ b/src/main/resources/static/js/synthesisQuery/digitalSignage.js
@@ -994,7 +994,7 @@ function addMapLine() {
             ) {
                 lineColor = "#FFFF00";
                 lineStyle = "solid";
-            } else if (endPoint.existSpan === 1) {
+            } else if (endPoint.existSpan === 1 && startPoint.existSpan === 1) {
                 lineColor = "#d81e06";
                 lineStyle = "dashed";
             } else if (