diff --git a/src/main/java/com/tem/bocai/entity/LoginInfoResult.java b/src/main/java/com/tem/bocai/entity/LoginInfoResult.java
index dfffc66..4d3286c 100644
--- a/src/main/java/com/tem/bocai/entity/LoginInfoResult.java
+++ b/src/main/java/com/tem/bocai/entity/LoginInfoResult.java
@@ -3,6 +3,8 @@ package com.tem.bocai.entity;
 import jakarta.persistence.*;
 import lombok.Data;
 import net.sourceforge.tess4j.TesseractException;
+import org.hibernate.annotations.CreationTimestamp;
+import org.hibernate.annotations.UpdateTimestamp;
 import org.springframework.http.ResponseEntity;
 
 import java.io.IOException;
@@ -36,12 +38,15 @@ public class LoginInfoResult {
     @Column(name = "lose_num", nullable = false)
     private Integer loseNum;
 
-/*    @Column(name = "current_num", nullable = false)
-    private Integer currentNum;*/
-
-    @Column(name = "create_time", nullable = false)
+    /*    @Column(name = "current_num", nullable = false)
+        private Integer currentNum;*/
+    @Column(name = "create_time", nullable = false, updatable = false)
+    @Temporal(TemporalType.TIMESTAMP)
+    @CreationTimestamp
     private Date createTime;
 
     @Column(name = "update_time", nullable = false)
+    @Temporal(TemporalType.TIMESTAMP)
+    @UpdateTimestamp
     private Date updateTime;
-    }
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/src/main/java/com/tem/bocai/repository/LoginInfoRepository.java b/src/main/java/com/tem/bocai/repository/LoginInfoRepository.java
new file mode 100644
index 0000000..e8e8342
--- /dev/null
+++ b/src/main/java/com/tem/bocai/repository/LoginInfoRepository.java
@@ -0,0 +1,13 @@
+package com.tem.bocai.repository;
+
+
+import com.tem.bocai.entity.LoginInfoResult;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface LoginInfoRepository extends JpaRepository<LoginInfoResult, Long> {
+    LoginInfoResult findByUsername(String username);
+    boolean existsByUsername(String username);
+    void deleteByUsername(String username);
+}
diff --git a/src/main/java/com/tem/bocai/service/impl/LoginServiceImpl.java b/src/main/java/com/tem/bocai/service/impl/LoginServiceImpl.java
index 4306f9d..fffe460 100644
--- a/src/main/java/com/tem/bocai/service/impl/LoginServiceImpl.java
+++ b/src/main/java/com/tem/bocai/service/impl/LoginServiceImpl.java
@@ -22,6 +22,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import javax.imageio.ImageIO;
 import java.awt.image.BufferedImage;
 import java.io.*;
+import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.List;
@@ -42,7 +43,7 @@ public class LoginServiceImpl implements LoginService {
     private Tesseract tesseract;
     @Autowired
     private TokenCacheService tokenCacheService;
-
+    private static final SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
     @Override
     public String loginAutomatic(LoginInfoParam loginInfoParam) {
         String token = "";
diff --git a/src/main/java/com/tem/bocai/util/SQLiteUtil.java b/src/main/java/com/tem/bocai/util/SQLiteUtil.java
index 1dca1d5..7db64e3 100644
--- a/src/main/java/com/tem/bocai/util/SQLiteUtil.java
+++ b/src/main/java/com/tem/bocai/util/SQLiteUtil.java
@@ -3,9 +3,11 @@ package com.tem.bocai.util;
 import com.tem.bocai.entity.LoginInfoResult;
 
 import java.sql.*;
+import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
+import java.util.Date;
 
 public class SQLiteUtil {
     private static final String DB_URL = "jdbc:sqlite:bocai.db";
@@ -287,16 +289,23 @@ public class SQLiteUtil {
             insertStmt.setString(3, loginInfo.getLoginUrl());
             insertStmt.setInt(4, loginInfo.getWinNum() != null ? loginInfo.getWinNum() : 0);
             insertStmt.setInt(5, loginInfo.getLoseNum() != null ? loginInfo.getLoseNum() : 0);
-            insertStmt.setTimestamp(6, new Timestamp(
-                    loginInfo.getCreateTime() != null ?
-                            loginInfo.getCreateTime().getTime() :
-                            System.currentTimeMillis()
-            ));
-            insertStmt.setTimestamp(7, new Timestamp(
-                    loginInfo.getUpdateTime() != null ?
-                            loginInfo.getUpdateTime().getTime() :
-                            System.currentTimeMillis()
-            ));
+
+            // 使用ISO8601格式: yyyy-MM-dd HH:mm:ss
+            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+
+            // 处理create_time
+            if (loginInfo.getCreateTime() != null) {
+                insertStmt.setString(6, sdf.format(loginInfo.getCreateTime()));
+            } else {
+                insertStmt.setString(6, sdf.format(new Date()));
+            }
+
+            // 处理update_time
+            if (loginInfo.getUpdateTime() != null) {
+                insertStmt.setString(7, sdf.format(loginInfo.getUpdateTime()));
+            } else {
+                insertStmt.setString(7, sdf.format(new Date()));
+            }
 
             int inserted = insertStmt.executeUpdate();