diff --git a/powerjob-worker/src/main/java/tech/powerjob/worker/core/tracker/task/heavy/HeavyTaskTracker.java b/powerjob-worker/src/main/java/tech/powerjob/worker/core/tracker/task/heavy/HeavyTaskTracker.java
index 2306a847..80bfce2b 100644
--- a/powerjob-worker/src/main/java/tech/powerjob/worker/core/tracker/task/heavy/HeavyTaskTracker.java
+++ b/powerjob-worker/src/main/java/tech/powerjob/worker/core/tracker/task/heavy/HeavyTaskTracker.java
@@ -456,6 +456,8 @@ public abstract class HeavyTaskTracker extends TaskTracker {
         // 数据库查询限制，每次最多查询几个任务
         private static final int DB_QUERY_LIMIT = 100;
 
+        private static final int STANDALONE_SIZE = 1;
+
         @Override
         public void run0() {
 
@@ -490,7 +492,7 @@ public abstract class HeavyTaskTracker extends TaskTracker {
                     // 获取 ProcessorTracker 地址，如果 Task 中自带了 Address，则使用该 Address
                     String ptAddress = task.getAddress();
                     if (StringUtils.isEmpty(ptAddress) || RemoteConstant.EMPTY_ADDRESS.equals(ptAddress)) {
-                        if (taskNeedByPassTaskTracker()) {
+                        if (taskNeedByPassTaskTracker(availablePtIps)) {
                             do {
                                 ptAddress = availablePtIps.get(index.getAndIncrement() % availablePtIps.size());
                             } while (workerRuntime.getWorkerAddress().equals(ptAddress));
@@ -510,9 +512,15 @@ public abstract class HeavyTaskTracker extends TaskTracker {
             log.debug("[TaskTracker-{}] dispatched {} tasks,using time {}.", instanceId, currentDispatchNum, stopwatch.stop());
         }
 
-        private boolean taskNeedByPassTaskTracker() {
+        /**
+         * padding的生效条件： 在map || mapReduce 的情况下， 且是该appId的worker是 非单机运行时，才生效。
+         * fix: 当该appId的worker是单机运行 且 padding时， 导致Dispatcher分发任务处于死循环中， 致使无法分发任务，状态一直为运行中，
+         *      且该线程不能通过停止任务的方式去停止，只能通过重启该work实例的方式释放该线程。
+         */
+        private boolean taskNeedByPassTaskTracker(List<String> availablePtIps) {
             if (ExecuteType.MAP.equals(executeType) || ExecuteType.MAP_REDUCE.equals(executeType)) {
-                return TaskTrackerBehavior.PADDLING.getV().equals(advancedRuntimeConfig.getTaskTrackerBehavior());
+                return TaskTrackerBehavior.PADDLING.getV().equals(advancedRuntimeConfig.getTaskTrackerBehavior()) &&
+                        availablePtIps.size() != STANDALONE_SIZE;
             }
             return false;
         }