diff --git a/pom.xml b/pom.xml
index 5ab549448..8df6e69ad 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,7 +21,7 @@
         <java.version>17</java.version>
         <maven.compiler.source>17</maven.compiler.source>
         <maven.compiler.target>17</maven.compiler.target>
-        <revision>1.1.1</revision>
+        <revision>1.2.0-beta1</revision>
         <netty-all.version>4.1.94.Final</netty-all.version>
         <hutool-all.version>5.8.25</hutool-all.version>
         <mybatis-plus.version>3.5.7</mybatis-plus.version>
diff --git a/snail-job-client/snail-job-client-job-core/src/main/java/com/aizuda/snailjob/client/job/core/cache/ThreadPoolCache.java b/snail-job-client/snail-job-client-job-core/src/main/java/com/aizuda/snailjob/client/job/core/cache/ThreadPoolCache.java
index e22d96512..ac6a265c7 100644
--- a/snail-job-client/snail-job-client-job-core/src/main/java/com/aizuda/snailjob/client/job/core/cache/ThreadPoolCache.java
+++ b/snail-job-client/snail-job-client-job-core/src/main/java/com/aizuda/snailjob/client/job/core/cache/ThreadPoolCache.java
@@ -24,13 +24,21 @@ public class ThreadPoolCache {
 
     public static ThreadPoolExecutor createThreadPool(Long taskBatchId, int parallelNum) {
         if (CACHE_THREAD_POOL.containsKey(taskBatchId)) {
-            return CACHE_THREAD_POOL.get(taskBatchId);
+            ThreadPoolExecutor cacheThreadPool = CACHE_THREAD_POOL.get(taskBatchId);
+            if (cacheThreadPool.getCorePoolSize() == parallelNum) {
+                return cacheThreadPool;
+            }
+
+            // 若能执行到这里只有分片任务(静态分片、MAP、MapReduce)才会需要多线程支持
+            cacheThreadPool.setCorePoolSize(parallelNum);
+            cacheThreadPool.setMaximumPoolSize(parallelNum);
+            return cacheThreadPool;
         }
 
         Supplier<ThreadPoolExecutor> supplier = () -> {
-
             ThreadPoolExecutor threadPoolExecutor = new ThreadPoolExecutor(
-                    parallelNum, parallelNum, 10, TimeUnit.SECONDS, new LinkedBlockingQueue<>(),
+                    // 默认情况先只设置一个线程, 只有分片任务(静态分片、MAP、MapReduce)才会需要多线程支持
+                    1, 1, 10, TimeUnit.SECONDS, new LinkedBlockingQueue<>(),
                     new CustomizableThreadFactory(MessageFormat.format("snail-job-job-{0}-", taskBatchId)));
             threadPoolExecutor.allowCoreThreadTimeOut(true);
             return threadPoolExecutor;