diff --git a/linkis-computation-governance/linkis-manager/linkis-manager-persistence/src/main/resources/mapper/common/NodeManagerMapper.xml b/linkis-computation-governance/linkis-manager/linkis-manager-persistence/src/main/resources/mapper/common/NodeManagerMapper.xml
index 04ff4286b70..d69cf0e9a91 100644
--- a/linkis-computation-governance/linkis-manager/linkis-manager-persistence/src/main/resources/mapper/common/NodeManagerMapper.xml
+++ b/linkis-computation-governance/linkis-manager/linkis-manager-persistence/src/main/resources/mapper/common/NodeManagerMapper.xml
@@ -134,12 +134,14 @@
         SELECT *
         FROM linkis_cg_manager_service_instance
         WHERE instance = #{instance}
+        LIMIT 1
     </select>
 
     <select id="getNodeInstanceByTicketId" resultType="org.apache.linkis.manager.common.entity.persistence.PersistenceNode">
         SELECT *
         FROM linkis_cg_manager_service_instance
         WHERE ticketId = #{ticketId}
+        LIMIT 1
     </select>
 
     <select id="getNodeInstanceById" resultType="org.apache.linkis.manager.common.entity.persistence.PersistenceNode">
@@ -156,6 +158,7 @@
         FROM linkis_cg_manager_engine_em
         WHERE engine_instance = #{instance}
         )
+        LIMIT 1
     </select>
 
     <select id="getNodeInstances" resultType="org.apache.linkis.manager.common.entity.persistence.PersistenceNode">