diff --git a/service/src/main/java/com/hzya/frame/mdm/mdmModule/entity/MdmModuleEntity.xml b/service/src/main/java/com/hzya/frame/mdm/mdmModule/entity/MdmModuleEntity.xml
index 865721ad..63dfa9c2 100644
--- a/service/src/main/java/com/hzya/frame/mdm/mdmModule/entity/MdmModuleEntity.xml
+++ b/service/src/main/java/com/hzya/frame/mdm/mdmModule/entity/MdmModuleEntity.xml
@@ -916,7 +916,7 @@ where id = #{id}
     </select>
 
     <!-- 根据表名称查询所有的字段，返回小写个是-->
-    <select id="queryMdMFields" resultType="String"   parameterType="java.util.HashMap" >
+    <select id="queryMdMFields" databaseId="oracle" resultType="String"   parameterType="java.util.HashMap" >
         SELECT
                 LOWER(COLUMN_NAME)  as fileds
         FROM
@@ -925,6 +925,13 @@ where id = #{id}
           TABLE_NAME =  #{tableName}
 
     </select>
+
+    <!-- 根据表名称查询所有的字段，返回小写个是-->
+    <select id="queryMdMFields" databaseId="mysql" resultType="String"   parameterType="java.util.HashMap" >
+        SELECT LOWER(COLUMN_NAME)
+        FROM information_schema.columns
+        WHERE table_name = #{tableName}
+    </select>
     <!-- 分页查询列表 采用like格式 -->
     <select id="queryMdmST" resultType="com.alibaba.fastjson.JSONObject"  parameterType="java.util.HashMap">
         select
diff --git a/service/src/main/java/com/hzya/frame/sysnew/comparison/entity/ComparisonEntity.xml b/service/src/main/java/com/hzya/frame/sysnew/comparison/entity/ComparisonEntity.xml
index 4d1dd334..c1f5d334 100644
--- a/service/src/main/java/com/hzya/frame/sysnew/comparison/entity/ComparisonEntity.xml
+++ b/service/src/main/java/com/hzya/frame/sysnew/comparison/entity/ComparisonEntity.xml
@@ -81,11 +81,16 @@
     </select>
 
     <!--根据mdm_module的id和mdm_module_db的id查询单据规则-->
-    <select id="queryComparisonById" resultMap="get-ComparisonEntity-result">
-        <!--  select group_concat(db_value SEPARATOR '') as documentRule from mdm_table_code_rule-->
-  select replace(WM_CONCAT(db_value),',','') as documentRule from mdm_table_code_rule
-where mdm_id=#{mId} and sts='Y'
-</select>
+    <select id="queryComparisonById" databaseId="oracle" resultMap="get-ComparisonEntity-result">
+      select replace(WM_CONCAT(db_value),',','') as documentRule from mdm_table_code_rule
+    where mdm_id=#{mId} and sts='Y'
+    </select>
+
+    <!--根据mdm_module的id和mdm_module_db的id查询单据规则-->
+    <select id="queryComparisonById" databaseId="mysql" resultMap="get-ComparisonEntity-result">
+          select group_concat(db_value SEPARATOR '') as documentRule from mdm_table_code_rule
+            where mdm_id=#{mId} and sts='Y'
+    </select>
 
 <!--生成单据规则-->
     <select id="queryComparisonRule" resultMap="get-ComparisonEntity-result"
diff --git a/service/src/main/java/com/hzya/frame/sysnew/comparison/service/impl/ComparisonServiceImpl.java b/service/src/main/java/com/hzya/frame/sysnew/comparison/service/impl/ComparisonServiceImpl.java
index 781ab693..8da2155c 100644
--- a/service/src/main/java/com/hzya/frame/sysnew/comparison/service/impl/ComparisonServiceImpl.java
+++ b/service/src/main/java/com/hzya/frame/sysnew/comparison/service/impl/ComparisonServiceImpl.java
@@ -326,6 +326,7 @@ public class ComparisonServiceImpl extends BaseService<ComparisonEntity, String>
                       } else {
                           jsonObjectList.put(comparisonDetailsEntity.getDbName(), new ArrayList<>());
                       }
+                      jsonObjectList.remove(null);
                       list.add(jsonObjectList);
                       //保存操作日志
                        controlsLogDaoimpl.saveControlsLog(uuid,jsonObject.getString("appName"),jsonObject.getString("appCode"),jsonObject.toJSONString(),"接口新增",jsonObject.getString("optionName"),tableName+"_option_log","1");
@@ -460,6 +461,7 @@ public class ComparisonServiceImpl extends BaseService<ComparisonEntity, String>
                     }else{
                         jsonObjectList.put(comparisonDetailsEntity.getDbName(),new ArrayList<>());
                     }
+                    jsonObjectList.remove(null);
                     jsonObjects.add(jsonObjectList);
                     //保存操作日志
                     controlsLogDaoimpl.saveControlsLog(comparisonEntity.getId(),jsonObject.getString("appName"),jsonObject.getString("appCode"),jsonObject.toJSONString(),"接口更新",jsonObject.getString("optionName"),comparisonEntity.getDbName()+"_option_log","1");