diff --git a/dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/spi/queue/CustomBlockingQueue.java b/dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/spi/CustomBlockingQueue.java
similarity index 87%
rename from dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/spi/queue/CustomBlockingQueue.java
rename to dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/spi/CustomBlockingQueue.java
index 15bd60a8..c06f160c 100644
--- a/dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/spi/queue/CustomBlockingQueue.java
+++ b/dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/spi/CustomBlockingQueue.java
@@ -1,4 +1,4 @@
-package io.dynamic.threadpool.starter.spi.queue;
+package io.dynamic.threadpool.starter.spi;
 
 import java.util.concurrent.BlockingQueue;
 
diff --git a/dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/spi/rejected/CustomRejectedExecutionHandler.java b/dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/spi/CustomRejectedExecutionHandler.java
similarity index 88%
rename from dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/spi/rejected/CustomRejectedExecutionHandler.java
rename to dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/spi/CustomRejectedExecutionHandler.java
index 7cb297fb..624f5dd2 100644
--- a/dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/spi/rejected/CustomRejectedExecutionHandler.java
+++ b/dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/spi/CustomRejectedExecutionHandler.java
@@ -1,4 +1,4 @@
-package io.dynamic.threadpool.starter.spi.rejected;
+package io.dynamic.threadpool.starter.spi;
 
 import java.util.concurrent.RejectedExecutionHandler;
 
diff --git a/dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/spi/DynamicTpServiceLoader.java b/dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/spi/DynamicTpServiceLoader.java
index 9bfbe9f2..1365a1b7 100644
--- a/dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/spi/DynamicTpServiceLoader.java
+++ b/dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/spi/DynamicTpServiceLoader.java
@@ -1,7 +1,5 @@
 package io.dynamic.threadpool.starter.spi;
 
-import io.dynamic.threadpool.starter.spi.exception.ServiceLoaderInstantiationException;
-
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.stream.Collectors;
diff --git a/dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/spi/exception/ServiceLoaderInstantiationException.java b/dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/spi/ServiceLoaderInstantiationException.java
similarity index 88%
rename from dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/spi/exception/ServiceLoaderInstantiationException.java
rename to dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/spi/ServiceLoaderInstantiationException.java
index 718d68bf..9bf53803 100644
--- a/dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/spi/exception/ServiceLoaderInstantiationException.java
+++ b/dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/spi/ServiceLoaderInstantiationException.java
@@ -1,4 +1,4 @@
-package io.dynamic.threadpool.starter.spi.exception;
+package io.dynamic.threadpool.starter.spi;
 
 /**
  * Service loader instantiation exception.
diff --git a/dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/toolkit/thread/QueueTypeEnum.java b/dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/toolkit/thread/QueueTypeEnum.java
index 324f4955..52d4440e 100644
--- a/dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/toolkit/thread/QueueTypeEnum.java
+++ b/dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/toolkit/thread/QueueTypeEnum.java
@@ -1,7 +1,7 @@
 package io.dynamic.threadpool.starter.toolkit.thread;
 
 import io.dynamic.threadpool.starter.spi.DynamicTpServiceLoader;
-import io.dynamic.threadpool.starter.spi.queue.CustomBlockingQueue;
+import io.dynamic.threadpool.starter.spi.CustomBlockingQueue;
 
 import java.util.Collection;
 import java.util.Objects;
diff --git a/dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/toolkit/thread/RejectedTypeEnum.java b/dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/toolkit/thread/RejectedTypeEnum.java
index ed208402..fd0532c7 100644
--- a/dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/toolkit/thread/RejectedTypeEnum.java
+++ b/dynamic-threadpool-spring-boot-starter/src/main/java/io/dynamic/threadpool/starter/toolkit/thread/RejectedTypeEnum.java
@@ -1,7 +1,7 @@
 package io.dynamic.threadpool.starter.toolkit.thread;
 
 import io.dynamic.threadpool.starter.spi.DynamicTpServiceLoader;
-import io.dynamic.threadpool.starter.spi.rejected.CustomRejectedExecutionHandler;
+import io.dynamic.threadpool.starter.spi.CustomRejectedExecutionHandler;
 
 import java.util.Collection;
 import java.util.Objects;