diff --git a/src/main/java/com/gunshi/project/xyt/mapper/BroadcastWarnMapper.java b/src/main/java/com/gunshi/project/xyt/mapper/BroadcastWarnMapper.java
index f3b6163..456ea88 100644
--- a/src/main/java/com/gunshi/project/xyt/mapper/BroadcastWarnMapper.java
+++ b/src/main/java/com/gunshi/project/xyt/mapper/BroadcastWarnMapper.java
@@ -22,7 +22,7 @@ public interface BroadcastWarnMapper extends BaseMapper<BroadcastWarn> {
                 left join public.broadcast_station s on t.station_id = s.id 
                 <where>
                 <if test="obj.warnContent != null and obj.warnContent != ''">
-                     t.warn_content like concat('%', #{obj.warnContent}, '%')
+                     t.warn_content like concat('%', #{obj.warnContent}::text, '%')
                 </if>
                  <if test="obj.timeRangeSo != null and obj.timeRangeSo.start != null">
                      and t.create_time <![CDATA[>=]]> #{obj.timeRangeSo.start}