diff --git a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/facade/SmsConfigFacade.java b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/facade/SmsConfigFacade.java
index 49be75c..480e6c3 100644
--- a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/facade/SmsConfigFacade.java
+++ b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/facade/SmsConfigFacade.java
@@ -232,7 +232,11 @@ public class SmsConfigFacade {
 
 
 
-				List<Map> deptsPrefixs = JsonUtil.toList(model.getDeptPrefix(), Map.class);
+				List<Map> deptsPrefixs =  new ArrayList<>();
+			    if (StringUtils.isNotEmpty(model.getDeptPrefix()))
+				{
+					deptsPrefixs = JsonUtil.toList(model.getDeptPrefix(),Map.class);
+				}
 				if (CollectionUtils.isNotEmpty(deptsPrefixs))
 				{
 					for (Map dept : deptsPrefixs)