diff --git a/db/dbuml.db3 b/db/dbuml.db3
index 02d1d48..b618ff5 100644
Binary files a/db/dbuml.db3 and b/db/dbuml.db3 differ
diff --git a/src/DML.java b/src/DML.java
index 58f0499..11bbdea 100644
--- a/src/DML.java
+++ b/src/DML.java
@@ -7,69 +7,113 @@ public class DML {
     // 使用相对路径
     private static final String URL = "jdbc:sqlite:db/dbuml.db3";
 
+
+
     @Test
-    public void create() {
+    public void createInboundTable() {
         try (Connection conn = DriverManager.getConnection(URL);
              Statement stmt = conn.createStatement()) {
 
-            // 创建数据表的 SQL 语句
-            String sql = "create table if not exists xslist (" +
-                    "id integer primary key AUTOINCREMENT not null ," +
-                    "sno text not null," +
-                    "sname text," +
-                    "lx1 integer," +
-                    "lx2 integer" +
+            // 创建入库记录表
+            String sql = "CREATE TABLE IF NOT EXISTS inbound_records (" +
+                    "id TEXT PRIMARY KEY NOT NULL," +
+                    "goods_id TEXT NOT NULL," +
+                    "quantity INTEGER NOT NULL," +
+                    "supplier TEXT," +
+                    "inbound_time TIMESTAMP," +
+                    "operator TEXT," +
+                    "remark TEXT" +
                     ");";
 
-            // 执行 SQL 语句
             stmt.execute(sql);
-
-            System.out.println("数据表 创建成功");
+            System.out.println("入库记录表创建成功");
 
         } catch (Exception e) {
             e.printStackTrace();
         }
     }
 
-
     @Test
-    public void deleteAll() {
+    public void createWarehouseTable() {
         try (Connection conn = DriverManager.getConnection(URL);
              Statement stmt = conn.createStatement()) {
 
-            // 删除所有记录的 SQL 语句
-            String sql = "DELETE FROM xslist";
+            // 创建仓库存放数据表
+            String sql = "CREATE TABLE IF NOT EXISTS warehouse (" +
+                    "id TEXT PRIMARY KEY NOT NULL," +
+                    "goods_id TEXT NOT NULL," +
+                    "goods_name TEXT NOT NULL," +
+                    "quantity INTEGER NOT NULL," +
+                    "operation_type TEXT NOT NULL," +
+                    "operator TEXT," +
+                    "operation_time TIMESTAMP," +
+                    "supplier TEXT," +
+                    "customer TEXT," +
+                    "remark TEXT" +
+                    ");";
 
-            // 执行 SQL 语句
-            int result = stmt.executeUpdate(sql);
-            System.out.println("删除了 " + result + " 条记录");
+            stmt.execute(sql);
+            System.out.println("仓库数据表创建成功");
 
-        } catch (SQLException e) {
+        } catch (Exception e) {
             e.printStackTrace();
         }
     }
 
     @Test
-    public void createInboundTable() {
+    public void createLogTable() {
         try (Connection conn = DriverManager.getConnection(URL);
              Statement stmt = conn.createStatement()) {
 
-            // 创建入库记录表
-            String sql = "CREATE TABLE IF NOT EXISTS inbound_records (" +
-                    "id TEXT PRIMARY KEY NOT NULL," +
-                    "goods_id TEXT NOT NULL," +
-                    "quantity INTEGER NOT NULL," +
-                    "supplier TEXT," +
-                    "inbound_time TIMESTAMP," +
-                    "operator TEXT," +
-                    "remark TEXT" +
+            // 创建操作日志数据表
+            String sql = "CREATE TABLE IF NOT EXISTS operation_logs (" +
+                    "日志id TEXT PRIMARY KEY NOT NULL," +   //日志id
+                    "operation_type TEXT NOT NULL," +  // 操作类型（入库、出库、修改等）
+                    "operation_target TEXT NOT NULL," + // 操作对象（货物ID或名称）
+                    "operator TEXT," +                 // 操作人
+                    "operation_time TIMESTAMP," +      // 操作时间
+                    "details TEXT" +                   // 操作详情
                     ");";
 
             stmt.execute(sql);
-            System.out.println("入库记录表创建成功");
+            System.out.println("日志数据表创建成功");
 
         } catch (Exception e) {
             e.printStackTrace();
         }
     }
+
+
+
+    @Test
+    public void clearTable() {
+        try (Connection conn = DriverManager.getConnection(URL);
+             Statement stmt = conn.createStatement()) {
+
+            String sql = "DELETE FROM 表名";
+            int result = stmt.executeUpdate(sql);
+            System.out.println("已清空数据表，删除了 " + result + " 条记录");
+
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+    }  //清空指定数据表数据
+    @Test
+    public void dropTable() {
+        try (Connection conn = DriverManager.getConnection(URL);
+             Statement stmt = conn.createStatement()) {
+
+            // 删除表的SQL 语句
+            String sql = "DROP TABLE IF EXISTS 表名";
+
+            // 执行 SQL 语句
+            stmt.execute(sql);
+            System.out.println(" 表删除成功");
+
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+    }  //删除指定数据表
+
+
 }
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