diff --git a/ruoyi-system/src/main/resources/mapper/wisdomarbitrate/CaseEvidenceDirectoryMapper.xml b/ruoyi-system/src/main/resources/mapper/wisdomarbitrate/CaseEvidenceDirectoryMapper.xml
index 6a8c99b..8a63117 100644
--- a/ruoyi-system/src/main/resources/mapper/wisdomarbitrate/CaseEvidenceDirectoryMapper.xml
+++ b/ruoyi-system/src/main/resources/mapper/wisdomarbitrate/CaseEvidenceDirectoryMapper.xml
@@ -10,7 +10,7 @@
         <result     property="annexId"       column="annex_id"      />
         <result property="series"     column="series"    />
     </resultMap>
-    <insert id="save">
+    <insert id="save" useGeneratedKeys="true" keyProperty="id">
         INSERT INTO case_evidence_directory (id, parent_id, evidence_name , annex_id,series)
         VALUES (#{id}, #{parentId}, #{evidenceName},#{annexId},#{series})
     </insert>