diff --git a/opsli-common/src/main/java/org/opsli/common/base/concroller/BaseController.java b/opsli-common/src/main/java/org/opsli/common/base/concroller/BaseController.java
index f4f6c536..6dac772d 100644
--- a/opsli-common/src/main/java/org/opsli/common/base/concroller/BaseController.java
+++ b/opsli-common/src/main/java/org/opsli/common/base/concroller/BaseController.java
@@ -7,6 +7,9 @@ package org.opsli.common.base.concroller;
  * @Author: Parker
  * @CreateTime: 2020-09-13 21:16
  * @Description: Controller 基类
+ *
+ * 默认 范型引用 子类的Service ， 为简单的CRUD做足准备
+ *
  */
 public abstract class BaseController {
 
diff --git a/opsli-common/src/main/java/org/opsli/common/base/entity/BaseEntity.java b/opsli-common/src/main/java/org/opsli/common/base/entity/BaseEntity.java
new file mode 100644
index 00000000..d87e6a5e
--- /dev/null
+++ b/opsli-common/src/main/java/org/opsli/common/base/entity/BaseEntity.java
@@ -0,0 +1,18 @@
+package org.opsli.common.base.entity;
+
+import com.baomidou.mybatisplus.annotation.Version;
+
+/**
+ * @BelongsProject: opsli-boot
+ * @BelongsPackage: org.opsli.common.base.entity
+ * @Author: Parker
+ * @CreateTime: 2020-09-14 17:29
+ * @Description: Entity 基类
+ */
+public class BaseEntity {
+
+    /** 乐观锁 */
+    @Version
+    private Integer version;
+
+}
diff --git a/opsli-common/src/main/java/org/opsli/common/base/service/impl/CrudServiceImpl.java b/opsli-common/src/main/java/org/opsli/common/base/service/impl/CrudServiceImpl.java
new file mode 100644
index 00000000..58488b0f
--- /dev/null
+++ b/opsli-common/src/main/java/org/opsli/common/base/service/impl/CrudServiceImpl.java
@@ -0,0 +1,14 @@
+package org.opsli.common.base.service.impl;
+
+/**
+ * @BelongsProject: opsli-boot
+ * @BelongsPackage: org.opsli.common.base.service.impl
+ * @Author: Parker
+ * @CreateTime: 2020-09-14 17:31
+ * @Description: ServiceImpl 基类 - 实现类
+ */
+public class CrudServiceImpl {
+
+
+
+}