diff --git a/platform-biz-patient-service/src/main/java/com/lyms/platform/biz/service/SmsConfigService.java b/platform-biz-patient-service/src/main/java/com/lyms/platform/biz/service/SmsConfigService.java
index a8f0422..287f00f 100644
--- a/platform-biz-patient-service/src/main/java/com/lyms/platform/biz/service/SmsConfigService.java
+++ b/platform-biz-patient-service/src/main/java/com/lyms/platform/biz/service/SmsConfigService.java
@@ -4,6 +4,7 @@ import com.lyms.platform.biz.dal.ISmsConfigDao;
 
 import com.lyms.platform.common.enums.YnEnums;
 import com.lyms.platform.common.utils.JsonUtil;
+import com.lyms.platform.common.utils.StringUtils;
 import com.lyms.platform.pojo.SmsConfigModel;
 import com.lyms.platform.query.SmsConfigQuery;
 import org.apache.commons.collections.CollectionUtils;
@@ -47,7 +48,12 @@ public class SmsConfigService {
         List<SmsConfigModel> configs =  querySmsConfigByHid(query);
         if (CollectionUtils.isNotEmpty(configs))
         {
-            List<Map> list = JsonUtil.toList(configs.get(0).getDeptPrefix(), Map.class);
+            List<Map> list = new ArrayList<>();
+            if (configs.get(0) != null && StringUtils.isNotEmpty(configs.get(0).getDeptPrefix()))
+            {
+                list = JsonUtil.toList(configs.get(0).getDeptPrefix(), Map.class);
+            }
+
             if (CollectionUtils.isNotEmpty(list))
             {
                 for (Map dept : list)