diff --git a/screw-core/src/main/java/cn/smallbun/screw/core/process/AbstractProcess.java b/screw-core/src/main/java/cn/smallbun/screw/core/process/AbstractProcess.java
index ef83237..cf78fe8 100644
--- a/screw-core/src/main/java/cn/smallbun/screw/core/process/AbstractProcess.java
+++ b/screw-core/src/main/java/cn/smallbun/screw/core/process/AbstractProcess.java
@@ -20,7 +20,6 @@ package cn.smallbun.screw.core.process;
 import cn.smallbun.screw.core.Configuration;
 import cn.smallbun.screw.core.engine.EngineFileType;
 import cn.smallbun.screw.core.metadata.Column;
-import cn.smallbun.screw.core.metadata.ColumnLength;
 import cn.smallbun.screw.core.metadata.PrimaryKey;
 import cn.smallbun.screw.core.metadata.Table;
 import cn.smallbun.screw.core.metadata.model.ColumnModel;
diff --git a/screw-core/src/main/java/cn/smallbun/screw/core/process/DataModelProcess.java b/screw-core/src/main/java/cn/smallbun/screw/core/process/DataModelProcess.java
index 315149a..1d95c08 100644
--- a/screw-core/src/main/java/cn/smallbun/screw/core/process/DataModelProcess.java
+++ b/screw-core/src/main/java/cn/smallbun/screw/core/process/DataModelProcess.java
@@ -18,7 +18,10 @@
 package cn.smallbun.screw.core.process;
 
 import cn.smallbun.screw.core.Configuration;
-import cn.smallbun.screw.core.metadata.*;
+import cn.smallbun.screw.core.metadata.Column;
+import cn.smallbun.screw.core.metadata.Database;
+import cn.smallbun.screw.core.metadata.PrimaryKey;
+import cn.smallbun.screw.core.metadata.Table;
 import cn.smallbun.screw.core.metadata.model.ColumnModel;
 import cn.smallbun.screw.core.metadata.model.DataModel;
 import cn.smallbun.screw.core.metadata.model.TableModel;