diff --git a/playlet-system/src/main/resources/mapper/system/PlayletPublicDetailMapper.xml b/playlet-system/src/main/resources/mapper/system/PlayletPublicDetailMapper.xml
index d59a7e7..3aa21d4 100644
--- a/playlet-system/src/main/resources/mapper/system/PlayletPublicDetailMapper.xml
+++ b/playlet-system/src/main/resources/mapper/system/PlayletPublicDetailMapper.xml
@@ -147,7 +147,7 @@
             <if test="itemId != null">#{itemId},</if>
             <if test="readCount != null">read_count = #{readCount},</if>
             <if test="transmitCount != null">transmit_count = #{transmitCount},</if>
-            <if test="content != null and content != ''">content = #{content},</if>
+            <if test="content != null">content = #{content},</if>
             <if test="address != null and address != ''">address = #{address},</if>
             <if test="title != null and title != ''">title = #{title},</if>
             <if test="type != null and type != ''">type = #{type},</if>