diff --git a/viewsh-module-video/viewsh-module-video-server/src/main/java/com/viewsh/module/video/aiot/service/impl/AiAlgorithmServiceImpl.java b/viewsh-module-video/viewsh-module-video-server/src/main/java/com/viewsh/module/video/aiot/service/impl/AiAlgorithmServiceImpl.java
index 993c5bb6..0126d45c 100644
--- a/viewsh-module-video/viewsh-module-video-server/src/main/java/com/viewsh/module/video/aiot/service/impl/AiAlgorithmServiceImpl.java
+++ b/viewsh-module-video/viewsh-module-video-server/src/main/java/com/viewsh/module/video/aiot/service/impl/AiAlgorithmServiceImpl.java
@@ -54,6 +54,9 @@ public class AiAlgorithmServiceImpl implements IAiAlgorithmService {
         });
     }
 
+    /** 系统级初始化使用的 creator/updater，@PostConstruct 无登录上下文时 MP 自动填充会留空 */
+    private static final String SYSTEM_USER = "1";
+
     @PostConstruct
     public void initPresetAlgorithms() {
         for (Map.Entry<String, String[]> entry : PRESET_ALGORITHMS.entrySet()) {
@@ -68,6 +71,8 @@ public class AiAlgorithmServiceImpl implements IAiAlgorithmService {
                 algo.setDescription(vals[2]);
                 algo.setParamSchema(vals[3]);
                 algo.setIsActive(true);
+                algo.setCreator(SYSTEM_USER);
+                algo.setUpdater(SYSTEM_USER);
                 algorithmMapper.add(algo);
                 log.info("[AI算法] 初始化预置算法: {}", code);
             } else {
@@ -75,6 +80,7 @@ public class AiAlgorithmServiceImpl implements IAiAlgorithmService {
                 existing.setTargetClass(vals[1]);
                 existing.setDescription(vals[2]);
                 existing.setParamSchema(vals[3]);
+                existing.setUpdater(SYSTEM_USER);
                 algorithmMapper.updateByCode(existing);
                 log.info("[AI算法] 校正预置算法数据: {}", code);
             }