diff --git a/backend/app/api/v1/endpoints/ticket.py b/backend/app/api/v1/endpoints/ticket.py
index bf82fdd..be1438c 100644
--- a/backend/app/api/v1/endpoints/ticket.py
+++ b/backend/app/api/v1/endpoints/ticket.py
@@ -1094,12 +1094,17 @@ async def _send_ticket_notification(
     instance_name = await _get_instance_name(db, ticket.instance_id)
     sql_preview = ticket.sql_content[:100] + "..." if len(ticket.sql_content) > 100 else ticket.sql_content
 
+    # Redis database 格式化: "0" → "db0"
+    target_db = ticket.target_database or ""
+    if ticket.db_type == "redis" and target_db.isdigit():
+        target_db = f"db{target_db}"
+
     notification_data = {
         "title": ticket.title,
         "ticket_id": ticket.id,
         "ticket_no": ticket.ticket_no or str(ticket.id),
         "db_type": ticket.db_type,
-        "target_database": ticket.target_database or "",
+        "target_database": target_db,
         "instance_name": instance_name,
         "sql_preview": sql_preview,
         "applicant": applicant_name,
@@ -1141,12 +1146,17 @@ async def _send_execution_notification(
     applicant_name = await _get_user_name(db, ticket.applicant_id)
     sql_preview = ticket.sql_content[:100] + "..." if len(ticket.sql_content) > 100 else ticket.sql_content
 
+    # Redis database 格式化: "0" → "db0"
+    target_db = ticket.target_database or ""
+    if ticket.db_type == "redis" and target_db.isdigit():
+        target_db = f"db{target_db}"
+
     notification_data = {
         "title": ticket.title,
         "ticket_id": ticket.id,
         "ticket_no": ticket.ticket_no or str(ticket.id),
         "db_type": ticket.db_type,
-        "target_database": ticket.target_database or "",
+        "target_database": target_db,
         "instance_name": instance_name,
         "sql_preview": sql_preview,
         "applicant": applicant_name,
diff --git a/backend/app/services/ticket_executor.py b/backend/app/services/ticket_executor.py
index 5c46a34..0d5757a 100644
--- a/backend/app/services/ticket_executor.py
+++ b/backend/app/services/ticket_executor.py
@@ -520,7 +520,7 @@ class TicketExecutor:
 
         try:
             # 解析命令
-            commands = self._parse_redis_commands(ticket.sql_content)
+            commands = self._parse_redis_commands(ticket.sql_content, ticket.target_database)
             if not commands:
                 report.status = "failed"
                 report.errors.append("未解析到有效的 Redis 命令")
@@ -1552,13 +1552,14 @@ class TicketExecutor:
             return row or 0
 
     @staticmethod
-    def _parse_redis_commands(content: str) -> List[Dict[str, Any]]:
+    def _parse_redis_commands(content: str, target_database: str = "0") -> List[Dict[str, Any]]:
         """解析 Redis 工单内容为命令列表。
 
         支持 JSON 格式和简单文本格式。
 
         Args:
             content: 工单内容
+            target_database: 目标 DB 编号（来自 ticket.target_database）
 
         Returns:
             命令列表，每项为 {"command": str, "db": int}
@@ -1567,6 +1568,12 @@ class TicketExecutor:
         if not content:
             return []
 
+        # 解析默认 db 编号
+        try:
+            default_db = int(target_database)
+        except (ValueError, TypeError):
+            default_db = 0
+
         # 尝试 JSON 解析
         if content.startswith("{"):
             try:
@@ -1577,14 +1584,14 @@ class TicketExecutor:
                         if isinstance(cmd, dict) and "command" in cmd:
                             commands.append({
                                 "command": cmd["command"],
-                                "db": cmd.get("db", 0),
+                                "db": cmd.get("db", default_db),
                             })
                         elif isinstance(cmd, str):
-                            commands.append({"command": cmd, "db": 0})
+                            commands.append({"command": cmd, "db": default_db})
                     return commands
                 # 可能是单条命令的 JSON
                 if "command" in data:
-                    return [{"command": data["command"], "db": data.get("db", 0)}]
+                    return [{"command": data["command"], "db": data.get("db", default_db)}]
             except json.JSONDecodeError:
                 pass  # 不是 JSON，尝试文本格式
 
@@ -1593,7 +1600,7 @@ class TicketExecutor:
         for line in content.split("\n"):
             line = line.strip()
             if line and not line.startswith("#"):
-                commands.append({"command": line, "db": 0})
+                commands.append({"command": line, "db": default_db})
 
         return commands