diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/mapper/xml/GardsSampleDataMapper.xml b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/mapper/xml/GardsSampleDataMapper.xml
index 55ba83d2..eefb35f5 100644
--- a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/mapper/xml/GardsSampleDataMapper.xml
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/mapper/xml/GardsSampleDataMapper.xml
@@ -14,13 +14,24 @@
     </delete>
 
     <select id="containSampleId" resultType="org.jeecg.modules.base.dto.OwnerDto">
-        SELECT
+        <if test="_databaseId == 'oracle'">
+            SELECT
             OWNER,
             TABLE_NAME AS tableName
-        FROM
+            FROM
             DBA_TAB_COLUMNS
-        WHERE
-            COLUMN_NAME = #{filed}
+            WHERE
+            UPPER(COLUMN_NAME) = UPPER(#{filed})
+        </if>
+        <if test="_databaseId == 'postgresql'">
+            SELECT
+            table_schema AS owner,
+            table_name AS tablename
+            FROM
+            information_schema.columns
+            WHERE
+            UPPER(column_name) = UPPER(#{filed})
+        </if>
     </select>
 
     <select id="getAnalysis" resultType="org.jeecg.modules.base.dto.AnalysesDto">