diff --git a/install.sh b/install.sh
index 0677d29..d90c0f5 100644
--- a/install.sh
+++ b/install.sh
@@ -3004,7 +3004,7 @@ health_check() {
     fi
 
     # 检查数据库
-    if [[ -f "${PROJECT_DIR}/backend/ftp-manager.db" ]]; then
+    if [[ -f "${PROJECT_DIR}/backend/data/database.db" ]]; then
         print_success "数据库初始化成功"
     else
         print_warning "数据库文件不存在"
@@ -3657,12 +3657,12 @@ update_migrate_database() {
 
     # 检查是否需要升级上传限制（从100MB升级到10GB）
     if command -v sqlite3 &> /dev/null; then
-        if [[ -f "ftp-manager.db" ]]; then
-            CURRENT_LIMIT=$(sqlite3 ftp-manager.db "SELECT value FROM system_settings WHERE key = 'max_upload_size';" 2>/dev/null || echo "")
+        if [[ -f "data/database.db" ]]; then
+            CURRENT_LIMIT=$(sqlite3 data/database.db "SELECT value FROM system_settings WHERE key = 'max_upload_size';" 2>/dev/null || echo "")
 
             if [[ "$CURRENT_LIMIT" == "104857600" ]]; then
                 print_info "检测到旧的上传限制(100MB)，正在升级到10GB..."
-                sqlite3 ftp-manager.db "UPDATE system_settings SET value = '10737418240' WHERE key = 'max_upload_size';"
+                sqlite3 data/database.db "UPDATE system_settings SET value = '10737418240' WHERE key = 'max_upload_size';"
                 print_success "上传限制已升级: 100MB → 10GB"
             elif [[ "$CURRENT_LIMIT" == "10737418240" ]]; then
                 print_success "上传限制已是最新: 10GB"
@@ -3866,35 +3866,34 @@ update_patch_env() {
 update_migrate_database() {
     print_step "检查数据库迁移..."
 
-    local OLD_DB="${PROJECT_DIR}/backend/ftp-manager.db"
-    local NEW_DB_DIR="${PROJECT_DIR}/backend/data"
-    local NEW_DB="${NEW_DB_DIR}/database.db"
+    local OLD_DB="${PROJECT_DIR}/backend/data/database.db"
+    local OLD_DB_V2="${PROJECT_DIR}/backend/database.db"
 
     # 如果旧数据库存在且新数据库不存在，执行迁移
-    if [[ -f "$OLD_DB" ]]; then
-        if [[ ! -f "$NEW_DB" ]]; then
+    if [[ -f "$OLD_DB_V2" ]]; then
+        if [[ ! -f "$OLD_DB" ]]; then
             # 创建新目录
-            mkdir -p "$NEW_DB_DIR"
+            mkdir -p "${PROJECT_DIR}/backend/data"
 
             # 迁移数据库
-            mv "$OLD_DB" "$NEW_DB"
-            print_success "数据库已迁移: ftp-manager.db -> data/database.db"
+            mv "$OLD_DB_V2" "$OLD_DB"
+            print_success "数据库已迁移: database.db -> data/database.db"
 
             # 同时迁移 journal 文件（如果存在）
-            if [[ -f "${OLD_DB}-journal" ]]; then
-                mv "${OLD_DB}-journal" "${NEW_DB}-journal"
+            if [[ -f "${OLD_DB_V2}-journal" ]]; then
+                mv "${OLD_DB_V2}-journal" "${OLD_DB}-journal"
             fi
-            if [[ -f "${OLD_DB}-wal" ]]; then
-                mv "${OLD_DB}-wal" "${NEW_DB}-wal"
+            if [[ -f "${OLD_DB_V2}-wal" ]]; then
+                mv "${OLD_DB_V2}-wal" "${OLD_DB}-wal"
             fi
-            if [[ -f "${OLD_DB}-shm" ]]; then
-                mv "${OLD_DB}-shm" "${NEW_DB}-shm"
+            if [[ -f "${OLD_DB_V2}-shm" ]]; then
+                mv "${OLD_DB_V2}-shm" "${OLD_DB}-shm"
             fi
         else
             # 新旧数据库都存在，警告用户
             print_warning "检测到新旧数据库同时存在！"
-            print_warning "  旧: ${OLD_DB}"
-            print_warning "  新: ${NEW_DB}"
+            print_warning "  旧: ${OLD_DB_V2}"
+            print_warning "  新: ${OLD_DB}"
             print_warning "请手动确认数据后删除旧数据库文件"
         fi
     else