diff --git a/db/dbuml.db3 b/db/dbuml.db3
index 29f8488..a1ff7e0 100644
Binary files a/db/dbuml.db3 and b/db/dbuml.db3 differ
diff --git a/src/Main.java b/src/Main.java
index e0d6006..6d5d939 100644
--- a/src/Main.java
+++ b/src/Main.java
@@ -142,7 +142,7 @@ public class Main extends Application {
         statusBar.setStyle("-fx-background-color: #e8e8e8;");
 
         Label statusLabel = new Label("就绪");
-        Label userLabel = new Label("当前用户：管理员");
+        Label userLabel = new Label("当前用户：系统管理员");
         Label timeLabel = new Label(getCurrentTime());
 
         Region spacer = new Region();
diff --git a/src/model/DataGoods.java b/src/model/DataGoods.java
index b270ed9..7f54225 100644
--- a/src/model/DataGoods.java
+++ b/src/model/DataGoods.java
@@ -100,7 +100,7 @@ public class DataGoods {
 
             pstmt.executeUpdate();
             addGoods(goods); // 同步内存中的数据
-            DataManager.getInstance().addOperationLog("新增", goods.getId(), "当前用户", "新增货物: " + goods.getName());
+            DataManager.getInstance().addOperationLog("新增", goods.getId(), "系统管理员", "新增货物: " + goods.getName());
         } catch (SQLException e) {
             e.printStackTrace();
             DataManager.showAlert("错误", "添加货物失败：" + e.getMessage());
@@ -128,7 +128,7 @@ public class DataGoods {
 
             pstmt.executeUpdate();
             addGoods(goods); // 同步内存中的数据
-            DataManager.getInstance().addOperationLog("更新", goods.getId(), "当前用户", "更新货物: " + goods.getName());
+            DataManager.getInstance().addOperationLog("更新", goods.getId(), "系统管理员", "更新货物: " + goods.getName());
         } catch (SQLException e) {
             e.printStackTrace();
             DataManager.showAlert("错误", "更新货物失败：" + e.getMessage());
diff --git a/src/model/DataManager.java b/src/model/DataManager.java
index db9bbb2..01dae6c 100644
--- a/src/model/DataManager.java
+++ b/src/model/DataManager.java
@@ -324,7 +324,7 @@ public class DataManager {
 
             // 将操作日志类型从"新增"改为"修改"
             System.out.println("正在添加操作日志: " + "修改" + " - " + "修改货物: " + goods.getName());
-            addOperationLog("修改", goods.getId(), "当前用户", "修改货物: " + goods.getName());
+            addOperationLog("修改", goods.getId(), "系统管理员", "修改货物: " + goods.getName());
         } catch (SQLException e) {
             e.printStackTrace();
             showAlert("错误", "添加货物失败：" + e.getMessage());
@@ -347,7 +347,7 @@ public class DataManager {
 
             pstmt.executeUpdate();
             System.out.println("正在添加操作日志: " + "更新" + " - " + "更新货物: " + goods.getName());
-            addOperationLog("更新", goods.getId(), "当前用户", "更新货物: " + goods.getName());
+            addOperationLog("更新", goods.getId(), "系统管理员", "更新货物: " + goods.getName());
         } catch (SQLException e) {
             e.printStackTrace();
             showAlert("错误", "更新货物失败：" + e.getMessage());
diff --git a/src/view/GoodsManagementView.java b/src/view/GoodsManagementView.java
index bd0270d..62ee508 100644
--- a/src/view/GoodsManagementView.java
+++ b/src/view/GoodsManagementView.java
@@ -229,11 +229,11 @@ public class GoodsManagementView extends BorderPane {
                                       "(id, operation_type, operation_target, operator, operation_time, details) " +
                                       "VALUES (?, ?, ?, ?, ?, ?)";
                         try (PreparedStatement logStmt = conn.prepareStatement(logSql)) {
-                            String logId = "LOG" + System.currentTimeMillis();
+                            String logId = String.format("LOG%014d", System.currentTimeMillis());
                             logStmt.setString(1, logId);
                             logStmt.setString(2, "修改");
                             logStmt.setString(3, name);
-                            logStmt.setString(4, "当前用户");
+                            logStmt.setString(4, "系统管理员");
                             logStmt.setString(5, LocalDateTime.now().toString());
                             logStmt.setString(6, String.format("修改货物信息：%s，数量：%d，供应商：%s", 
                                 name, quantity, supplier));
diff --git a/src/view/InboundView.java b/src/view/InboundView.java
index e485037..ec78443 100644
--- a/src/view/InboundView.java
+++ b/src/view/InboundView.java
@@ -182,7 +182,7 @@ public class InboundView extends BorderPane {
             }
             
             // 创建入库记录
-            String id = String.format("NO%014d", System.currentTimeMillis());
+            String id = String.format("IN%014d", System.currentTimeMillis());
             LocalDateTime now = LocalDateTime.now();
             
             // 修改数据库连接为相对路径
@@ -197,7 +197,7 @@ public class InboundView extends BorderPane {
                     pstmt.setInt(3, quantity);
                     pstmt.setString(4, supplier);
                     pstmt.setString(5, now.toString());
-                    pstmt.setString(6, "当前用户");
+                    pstmt.setString(6, "系统管理员");
                     pstmt.setString(7, remark);
                     
                     pstmt.executeUpdate();
@@ -211,7 +211,7 @@ public class InboundView extends BorderPane {
                 quantity,
                 supplier,
                 now,
-                "当前用户",
+                "系统管理员",
                 remark
             );
             
@@ -227,7 +227,7 @@ public class InboundView extends BorderPane {
             // 添加操作日志
             String details = String.format("入库货物：%s，数量：%d，供应商：%s", 
                 goodsName, quantity, supplier);
-            DataManager.getInstance().addOperationLog("入库", goodsName, "当前用户", details);
+            DataManager.getInstance().addOperationLog("入库", goodsName, "系统管理员", details);
             
             showAlert("成功", "入库记录已保存！");
             
diff --git a/src/view/OutboundView.java b/src/view/OutboundView.java
index 6b45e12..dae1f34 100644
--- a/src/view/OutboundView.java
+++ b/src/view/OutboundView.java
@@ -249,7 +249,7 @@ public class OutboundView extends BorderPane {
                         System.out.println("正在添加出库日志: " + details);
 
                         try {
-                            DataManager.getInstance().addOperationLog("出库", goodsName, "当前用户", details);
+                            DataManager.getInstance().addOperationLog("出库", goodsName, "系统管理员", details);
                             System.out.println("出库日志添加成功");
                         } catch (Exception e) {
                             System.err.println("添加出库日志失败: " + e.getMessage());