fix(jg):移装告知报错问题处理

amos-boot-system-tzs/amos-boot-module-jg/amos-boot-module-jg-biz/src/main/java/com/yeejoin/amos/boot/module/jg/biz/service/impl/JgInstallationNoticeServiceImpl.java

@@ -829,8 +829,7 @@ public class JgInstallationNoticeServiceImpl extends BaseService<JgInstallationN
                 }
             });
         }
-
-        Function<String, String> getValue = key -> informObj.getOrDefault(key, "").toString();
+        Function<String, String> getValue = key -> Optional.of(informObj).map(map -> map.getOrDefault(key, "")).orElse("").toString();
 
         // 组装模板变量
         Map<String, Object> placeholders = new HashMap<>();