[update] 配置文件判空

signal-optimize-service/src/main/java/net/wanji/opt/service/impl/TrendServiceImpl.java

@@ -1012,6 +1012,7 @@ public class TrendServiceImpl implements TrendService {
     }
 
     private Integer convertDirCode(String dirStr, String crossId, Integer dirCode) {
+        if (ObjectUtil.isNotEmpty(directionMappingsConfig)) {
             List<String> dirMapList = directionMappingsConfig.getMappings().get(crossId); // 如 ["东:2","西:6"]
             if (CollectionUtil.isNotEmpty(dirMapList)) {
                 for (String dirMapStr : dirMapList) {
@@ -1021,6 +1022,7 @@ public class TrendServiceImpl implements TrendService {
                     }
                 }
             }
+        }
         return dirCode;
     }