bug修正

kernel/src/main/java/com/lantone/qc/kernel/structure/ai/ThreeLevelWardAI.java

@@ -257,6 +257,9 @@ public class ThreeLevelWardAI extends ModelAI {
         for (RescueDoc rescueDoc : rescueDocs) {
             Map<String, String> rescueStructureMap = rescueDoc.getStructureMap();
             recordTime = rescueStructureMap.get("抢救时间");
+            if(recordTime == null){
+                continue;
+            }
             Date recordDate = StringUtil.parseDateTime(recordTime);
             if (recordDate == null) {
                 continue;