diff --git a/src/main/java/com/iflytop/colortitration/common/handler/DeviceTypeHandler.java b/src/main/java/com/iflytop/colortitration/common/handler/DeviceTypeHandler.java
deleted file mode 100644
index bc61ca2..0000000
--- a/src/main/java/com/iflytop/colortitration/common/handler/DeviceTypeHandler.java
+++ /dev/null
@@ -1,40 +0,0 @@
-package com.iflytop.colortitration.common.handler;
-
-import com.iflytop.colortitration.common.enums.Device;
-import org.apache.ibatis.type.BaseTypeHandler;
-import org.apache.ibatis.type.JdbcType;
-import org.apache.ibatis.type.MappedJdbcTypes;
-import org.apache.ibatis.type.MappedTypes;
-
-import java.sql.CallableStatement;
-import java.sql.PreparedStatement;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-
-@MappedJdbcTypes(JdbcType.VARCHAR)
-@MappedTypes(Device.class)
-public class DeviceTypeHandler extends BaseTypeHandler<Device> {
-
-    @Override
-    public void setNonNullParameter(PreparedStatement ps, int i, Device parameter, JdbcType jdbcType) throws SQLException {
-        ps.setString(i, parameter.name());
-    }
-
-    @Override
-    public Device getNullableResult(ResultSet rs, String columnName) throws SQLException {
-        String name = rs.getString(columnName);
-        return name == null ? null : Device.valueOf(name);
-    }
-
-    @Override
-    public Device getNullableResult(ResultSet rs, int columnIndex) throws SQLException {
-        String name = rs.getString(columnIndex);
-        return name == null ? null : Device.valueOf(name);
-    }
-
-    @Override
-    public Device getNullableResult(CallableStatement cs, int columnIndex) throws SQLException {
-        String name = cs.getString(columnIndex);
-        return name == null ? null : Device.valueOf(name);
-    }
-}
\ No newline at end of file