diff --git a/src/main/java/club/joylink/xiannccda/ats/cache/LineGraphicDataRepository.java b/src/main/java/club/joylink/xiannccda/ats/cache/LineGraphicDataRepository.java
index 97ab534..9c6135d 100644
--- a/src/main/java/club/joylink/xiannccda/ats/cache/LineGraphicDataRepository.java
+++ b/src/main/java/club/joylink/xiannccda/ats/cache/LineGraphicDataRepository.java
@@ -43,16 +43,18 @@ public class LineGraphicDataRepository {
    */
   public static void putLineGraph(PublishedGi publishGi) {
     try {
-      LayoutGraphicsProto.RtssGraphicStorage storage =
-          LayoutGraphicsProto.RtssGraphicStorage.parseFrom(publishGi.getProto());
-      Map<String, Map<String, ? extends Builder>> lineDataMap = new HashMap<>();
-      // 构建区段
-      sectionInitLineGraph(lineDataMap, storage);
-      // 构建道岔
-      switchInitLineGraph(lineDataMap, storage);
-      // 设置公里标
-      setUpKilometerCode(lineDataMap, storage);
-      lineGraphMap.put(publishGi.getLineId(), lineDataMap);
+      if (publishGi.getLineId() != null) {
+        LayoutGraphicsProto.RtssGraphicStorage storage =
+            LayoutGraphicsProto.RtssGraphicStorage.parseFrom(publishGi.getProto());
+        Map<String, Map<String, ? extends Builder>> lineDataMap = new HashMap<>();
+        // 构建区段
+        sectionInitLineGraph(lineDataMap, storage);
+        // 构建道岔
+        switchInitLineGraph(lineDataMap, storage);
+        // 设置公里标
+        setUpKilometerCode(lineDataMap, storage);
+        lineGraphMap.put(publishGi.getLineId(), lineDataMap);
+      }
     } catch (InvalidProtocolBufferException e) {
       log.error("反序列化信息失败", e);
     }
diff --git a/xian-ncc-da-message b/xian-ncc-da-message
index 2b9ad05..9a7b4b7 160000
--- a/xian-ncc-da-message
+++ b/xian-ncc-da-message
@@ -1 +1 @@
-Subproject commit 2b9ad05b202b3b90c3f64b6b8c8a56ec83716f08
+Subproject commit 9a7b4b7a3a912970197155a149a9da463d2a68fc