diff --git a/src/main/java/com/teaching/mapper/KnowMapper.java b/src/main/java/com/teaching/mapper/KnowMapper.java
index 9fe1a5f..00e6cf3 100644
--- a/src/main/java/com/teaching/mapper/KnowMapper.java
+++ b/src/main/java/com/teaching/mapper/KnowMapper.java
@@ -6,4 +6,5 @@ import org.apache.ibatis.annotations.Mapper;
 
 @Mapper
 public interface KnowMapper extends BaseMapper<Know> {
+
 }
diff --git a/src/main/java/com/teaching/model/entity/Know.java b/src/main/java/com/teaching/model/entity/Know.java
index 2ab9683..0a8724a 100644
--- a/src/main/java/com/teaching/model/entity/Know.java
+++ b/src/main/java/com/teaching/model/entity/Know.java
@@ -13,6 +13,7 @@ import java.time.LocalDateTime;
 @Data
 public class Know {
 
+
     //内部编号
     private Long id ;
 
diff --git a/src/main/java/com/teaching/service/IknowService.java b/src/main/java/com/teaching/service/IknowService.java
index eb3dd27..534382b 100644
--- a/src/main/java/com/teaching/service/IknowService.java
+++ b/src/main/java/com/teaching/service/IknowService.java
@@ -7,4 +7,5 @@ import org.springframework.stereotype.Service;
 
 public interface IknowService extends IService<Know> {
 
+
 }
diff --git a/src/main/java/com/teaching/service/impl/IknowServiceimpl.java b/src/main/java/com/teaching/service/impl/IknowServiceimpl.java
index 51f843c..2facbc0 100644
--- a/src/main/java/com/teaching/service/impl/IknowServiceimpl.java
+++ b/src/main/java/com/teaching/service/impl/IknowServiceimpl.java
@@ -9,4 +9,5 @@ import org.springframework.stereotype.Service;
 @Service
 public class IknowServiceimpl extends ServiceImpl<KnowMapper,Know> implements IknowService {
 
+
 }