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【问题分类】

• bug
• P2P网络相关（包含libp2p,liquid）
• 链账户身份与权限相关（证书问题、public、多签投票问题）
• 核心交易引擎相关（交易池、DAG）
• 共识相关
• 智能合约相关
• 存储相关
• SDK相关
• 长安链CMC工具
• 长安链管理台
• 长安链浏览器
• 长安链合约IDE
• 长安链web签名插件
• 跨链相关
• 轻节点相关
• 隐私计算相关
• 密码学相关
• 环境依赖
• 其他补充：

【问题描述】（请对问题进行描述，方便定位问题）

部署长安链的管理台，通过管理台部署长安链时，无法下载 生成的 链配置文件。

【相关日志文件】（如果有报错日志请贴图，或者上传附件）

查看docker的日志，报错如下：

(/cm-mgmt/src/db/chain/chain.go:39)
[2025-08-15 17:26:41]  [1.03ms]  SELECT * FROM `cmb_chain`  WHERE (chain_id = 'chain0')
[1 rows affected or returned ]
2025-08-15 17:26:41.727 [ERROR] ctrl/dispatcher.go:197  unsupported version format: []
[GIN] 2025/08/15 - 17:26:41 | 500 |   29.962091ms |      172.18.0.2 | POST     "/chainmaker?cmb=DownloadChainConfig"


2025/08/15 17:26:41 [Recovery] 2025/08/15 - 17:26:41 panic recovered:
runtime error: invalid memory address or nil pointer dereference
/cm-mgmt/src/router/router.go:91 (0x1ac3114)
/usr/local/go/src/runtime/panic.go:965 (0xabd4d8)
/usr/local/go/src/runtime/panic.go:212 (0xabb59a)
/usr/local/go/src/runtime/signal_unix.go:734 (0xad44d2)
/cm-mgmt/src/ctrl/common/convert.go:63 (0x17b4af7)
/cm-mgmt/src/ctrl/chain_management/download_chain_config.go:131 (0x1a38311)
/cm-mgmt/src/ctrl/dispatcher.go:197 (0x1ac1ff8)
/go/pkg/mod/github.com/gin-gonic/gin@v1.6.3/context.go:161 (0x17c84b5)
/go/pkg/mod/github.com/gin-contrib/sessions@v0.0.3/sessions.go:52 (0x17c849d)
/go/pkg/mod/github.com/gin-gonic/gin@v1.6.3/context.go:161 (0x1ac321b)
/cm-mgmt/src/router/router.go:94 (0x1ac31fa)
/go/pkg/mod/github.com/gin-gonic/gin@v1.6.3/context.go:161 (0x17b2d70)
/go/pkg/mod/github.com/gin-gonic/gin@v1.6.3/recovery.go:83 (0x17b2d57)
/go/pkg/mod/github.com/gin-gonic/gin@v1.6.3/context.go:161 (0x17b1df3)
/go/pkg/mod/github.com/gin-gonic/gin@v1.6.3/logger.go:241 (0x17b1db2)
/go/pkg/mod/github.com/gin-gonic/gin@v1.6.3/context.go:161 (0x17a8caf)
/go/pkg/mod/github.com/gin-gonic/gin@v1.6.3/gin.go:409 (0x17a8c96)
/go/pkg/mod/github.com/gin-gonic/gin@v1.6.3/gin.go:367 (0x17a874c)
/usr/local/go/src/net/http/server.go:2868 (0xe19ca2)
/usr/local/go/src/net/http/server.go:1933 (0xe150cc)
/usr/local/go/src/runtime/asm_amd64.s:1371 (0xaf48e0)

【系统信息】（请填写系统信息，方便定位问题）

• chainmaker-go version * : [v2.4.0]
• OS & version : KylinOS V10 SP3
• docker镜像 version: 2.4.0
• 管理台 version: V2.4.0

[chainMaker@chainMaker-management ~]$ uname -an
Linux chainMaker-management.ichains.tech 4.19.90-89.24.v2401.ky10.x86_64 #1 SMP Thu Jun 26 08:42:45 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux

[chainMaker@chainMaker-management ~]$ docker ps
CONTAINER ID   IMAGE                                                              COMMAND                  CREATED       STATUS          PORTS                                       NAMES
52a53f9084a6   hub-dev.cnbn.org.cn/chainmakerofficial/management-web:v2.4.0       "/docker-entrypoint.…"   2 hours ago   Up 12 minutes   0.0.0.0:80->80/tcp, :::80->80/tcp           management-backend-cm_mgmt_web-1
703e44870762   hub-dev.cnbn.org.cn/chainmakerofficial/management-backend:v2.4.0   "./chainmaker-manage…"   2 hours ago   Up 12 minutes   0.0.0.0:9999->9999/tcp, :::9999->9999/tcp   management-backend-cm_mgmt_server-1
c4a03476082a   mysql:8.0.29                                                       "docker-entrypoint.s…"   2 hours ago   Up 12 minutes   3306/tcp, 33060/tcp                         management-backend-cm_db-1