diff --git a/openhis-server-new/openhis-application/src/main/resources/mapper/datadictionary/LabActivityDefinitionManageMapper.xml b/openhis-server-new/openhis-application/src/main/resources/mapper/datadictionary/LabActivityDefinitionManageMapper.xml
index c2ecdd48..32a94c5d 100644
--- a/openhis-server-new/openhis-application/src/main/resources/mapper/datadictionary/LabActivityDefinitionManageMapper.xml
+++ b/openhis-server-new/openhis-application/src/main/resources/mapper/datadictionary/LabActivityDefinitionManageMapper.xml
@@ -143,10 +143,10 @@
             </if>
         ORDER BY T1.id DESC
         <if test="searchKey != null and searchKey != ''">
-            LIMIT 1500
+            LIMIT 10000
         </if>
         <if test="searchKey == null or searchKey == ''">
-            LIMIT 500
+            LIMIT 10000
         </if>
     </select>