diff --git a/das/src/main/resources/mapper/SysIotModelFieldMapper.xml b/das/src/main/resources/mapper/SysIotModelFieldMapper.xml
index 39b85f34..ce265982 100644
--- a/das/src/main/resources/mapper/SysIotModelFieldMapper.xml
+++ b/das/src/main/resources/mapper/SysIotModelFieldMapper.xml
@@ -31,7 +31,7 @@
             <if test="info.subSystem != null and info.subSystem != ''">
                 and t.subsystem = #{info.subSystem}
             </if>
-            <if test="info.subSystem != null and info.subSystem != ''">
+            <if test="info.confidential != null and info.confidential != ''">
                 and t.confidential = #{info.confidential}
             </if>
         </where>