diff --git a/continew-starter-extension/continew-starter-extension-crud/src/main/java/top/charles7c/continew/starter/extension/crud/constant/ContainerPool.java b/continew-starter-extension/continew-starter-extension-crud/src/main/java/top/charles7c/continew/starter/extension/crud/constant/ContainerPool.java
index 47fe0123..124f1567 100644
--- a/continew-starter-extension/continew-starter-extension-crud/src/main/java/top/charles7c/continew/starter/extension/crud/constant/ContainerPool.java
+++ b/continew-starter-extension/continew-starter-extension-crud/src/main/java/top/charles7c/continew/starter/extension/crud/constant/ContainerPool.java
@@ -24,7 +24,7 @@ package top.charles7c.continew.starter.extension.crud.constant;
  */
 public class ContainerPool {
 
-    private ContainerPool() {
+    protected ContainerPool() {
     }
 
     /**