diff --git a/src/main/java/com/cool/core/base/BaseService.java b/src/main/java/com/cool/core/base/BaseService.java
index 3f3c882..52db046 100644
--- a/src/main/java/com/cool/core/base/BaseService.java
+++ b/src/main/java/com/cool/core/base/BaseService.java
@@ -118,4 +118,21 @@ public interface BaseService<T> extends IService<T> {
      * @param type          修改类型
      */
     void modifyAfter(JSONObject requestParams, T t, ModifyEnum type);
+
+    /**
+     * 修改之前
+     *
+     * @param requestParams 请求参数
+     * @param t             对应实体
+     */
+    void modifyBefore(JSONObject requestParams, T t);
+
+    /**
+     * 修改之前
+     *
+     * @param requestParams 请求参数
+     * @param t             对应实体
+     * @param type          修改类型
+     */
+    void modifyBefore(JSONObject requestParams, T t, ModifyEnum type);
 }
diff --git a/src/main/java/com/cool/core/base/BaseServiceImpl.java b/src/main/java/com/cool/core/base/BaseServiceImpl.java
index 8ab1d69..64d773b 100644
--- a/src/main/java/com/cool/core/base/BaseServiceImpl.java
+++ b/src/main/java/com/cool/core/base/BaseServiceImpl.java
@@ -27,6 +27,7 @@ public class BaseServiceImpl<M extends BaseMapper<T>, T extends BaseEntity<T>> e
 
     @Override
     public Object add(JSONObject requestParams, T entity) {
+        this.modifyBefore(requestParams, entity, ModifyEnum.ADD);
         this.add(entity);
         this.modifyAfter(requestParams, entity, ModifyEnum.ADD);
         return entity.getId();
@@ -34,6 +35,7 @@ public class BaseServiceImpl<M extends BaseMapper<T>, T extends BaseEntity<T>> e
 
     @Override
     public Object addBatch(JSONObject requestParams, List<T> entitys) {
+        this.modifyBefore(requestParams, null, ModifyEnum.ADD);
         List<Long> ids = new ArrayList<>();
         entitys.forEach(e -> ids.add(this.add(e)));
         requestParams.set("ids", ids);
@@ -48,6 +50,7 @@ public class BaseServiceImpl<M extends BaseMapper<T>, T extends BaseEntity<T>> e
 
     @Override
     public boolean delete(JSONObject requestParams, Long... ids) {
+        this.modifyBefore(requestParams, null, ModifyEnum.DELETE);
         boolean flag = this.delete(ids);
         if (flag) {
             this.modifyAfter(requestParams, null, ModifyEnum.DELETE);
@@ -62,6 +65,7 @@ public class BaseServiceImpl<M extends BaseMapper<T>, T extends BaseEntity<T>> e
 
     @Override
     public boolean update(JSONObject requestParams, T entity) {
+        this.modifyBefore(requestParams, entity, ModifyEnum.UPDATE);
         boolean flag = this.update(entity);
         if (flag) {
             this.modifyAfter(requestParams, entity, ModifyEnum.UPDATE);
@@ -98,4 +102,14 @@ public class BaseServiceImpl<M extends BaseMapper<T>, T extends BaseEntity<T>> e
     public void modifyAfter(JSONObject requestParams, T t, ModifyEnum type) {
         modifyAfter(requestParams, t);
     }
+
+    @Override
+    public void modifyBefore(JSONObject requestParams, T t) {
+
+    }
+
+    @Override
+    public void modifyBefore(JSONObject requestParams, T t, ModifyEnum type) {
+
+    }
 }