diff --git a/src/main/java/com/actiontech/dble/backend/mysql/nio/handler/builder/BaseHandlerBuilder.java b/src/main/java/com/actiontech/dble/backend/mysql/nio/handler/builder/BaseHandlerBuilder.java
index 71ff2dd7d..7cc62bc9f 100644
--- a/src/main/java/com/actiontech/dble/backend/mysql/nio/handler/builder/BaseHandlerBuilder.java
+++ b/src/main/java/com/actiontech/dble/backend/mysql/nio/handler/builder/BaseHandlerBuilder.java
@@ -7,6 +7,7 @@ package com.actiontech.dble.backend.mysql.nio.handler.builder;
 
 import com.actiontech.dble.DbleServer;
 import com.actiontech.dble.backend.mysql.nio.handler.builder.sqlvisitor.GlobalVisitor;
+import com.actiontech.dble.backend.mysql.nio.handler.query.BaseDMLHandler;
 import com.actiontech.dble.backend.mysql.nio.handler.query.DMLResponseHandler;
 import com.actiontech.dble.backend.mysql.nio.handler.query.impl.*;
 import com.actiontech.dble.backend.mysql.nio.handler.query.impl.groupby.AggregateHandler;
@@ -371,7 +372,16 @@ public abstract class BaseHandlerBuilder {
     private void nestLoopAddHandler(SendMakeHandler sh) {
         if (node instanceof TableNode && Objects.nonNull(((TableNode) node).getHintNestLoopHelper())) {
             HintNestLoopHelper hintNestLoopHelper = ((TableNode) node).getHintNestLoopHelper();
-            hintNestLoopHelper.getSendMakeHandlerHashMap().put(node, sh);
+            List<DelayTableHandler> delayTableHandlers = hintNestLoopHelper.getDelayTableHandlers(node);
+            Map<PlanNode, SendMakeHandler> sendMakeHandlerHashMap = hintNestLoopHelper.getSendMakeHandlerHashMap();
+            Set<BaseDMLHandler> tableHandlers = sh.getTableHandlers();
+            for (DelayTableHandler delayTableHandler : delayTableHandlers) {
+                if (!tableHandlers.contains(delayTableHandler)) {
+                    tableHandlers.add(delayTableHandler);
+                }
+            }
+            sendMakeHandlerHashMap.put(node, sh);
+
         }
     }
 
diff --git a/src/main/java/com/actiontech/dble/backend/mysql/nio/handler/builder/HintNestLoopHelper.java b/src/main/java/com/actiontech/dble/backend/mysql/nio/handler/builder/HintNestLoopHelper.java
index 1b06977de..48917a52e 100644
--- a/src/main/java/com/actiontech/dble/backend/mysql/nio/handler/builder/HintNestLoopHelper.java
+++ b/src/main/java/com/actiontech/dble/backend/mysql/nio/handler/builder/HintNestLoopHelper.java
@@ -6,9 +6,7 @@ import com.actiontech.dble.plan.common.item.Item;
 import com.actiontech.dble.plan.node.PlanNode;
 import com.actiontech.dble.route.parser.util.Pair;
 
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
+import java.util.*;
 
 public class HintNestLoopHelper {
 
@@ -24,6 +22,14 @@ public class HintNestLoopHelper {
         return delayTableHandlerMap;
     }
 
+    public List<DelayTableHandler> getDelayTableHandlers(PlanNode node) {
+        List<DelayTableHandler> delayTableHandlerList = Optional.ofNullable(delayTableHandlerMap.get(node)).orElse(new ArrayList<>());
+        if (delayTableHandlerList.isEmpty()) {
+            delayTableHandlerMap.put(node, delayTableHandlerList);
+        }
+        return delayTableHandlerList;
+    }
+
     public Map<PlanNode, Pair<Item, Item>> getItemMap() {
         return itemMap;
     }
diff --git a/src/main/java/com/actiontech/dble/plan/optimizer/JoinNestLoopChooser.java b/src/main/java/com/actiontech/dble/plan/optimizer/JoinNestLoopChooser.java
index 020e2e0ac..4bc992742 100644
--- a/src/main/java/com/actiontech/dble/plan/optimizer/JoinNestLoopChooser.java
+++ b/src/main/java/com/actiontech/dble/plan/optimizer/JoinNestLoopChooser.java
@@ -113,7 +113,9 @@ public class JoinNestLoopChooser {
     private void hintAndCheck() {
         hintDependMap.forEach((k, v) -> {
             PlanNode currentNode = nodeMap.get(k);
-            if (v.getType() == HintPlanNodeGroup.Type.AND) {
+            if (v.getType() == HintPlanNodeGroup.Type.ER) {
+                throw new MySQLOutPutException(ErrorCode.ER_OPTIMIZER, "", " not support hint explain .The ER relation is only allowed in the first place");
+            } else {
                 List<HintPlanNode> nodes = v.getNodes();
                 for (HintPlanNode node : nodes) {
                     PlanNode dependNode = nodeMap.get(node.getName());