diff --git a/src/main/java/com/genersoft/iot/vmp/aiot/service/impl/AiConfigServiceImpl.java b/src/main/java/com/genersoft/iot/vmp/aiot/service/impl/AiConfigServiceImpl.java
index 9dd588dd1..a0ba4979b 100644
--- a/src/main/java/com/genersoft/iot/vmp/aiot/service/impl/AiConfigServiceImpl.java
+++ b/src/main/java/com/genersoft/iot/vmp/aiot/service/impl/AiConfigServiceImpl.java
@@ -32,6 +32,7 @@ import org.springframework.http.MediaType;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpEntity;
 
+import javax.annotation.PostConstruct;
 import java.util.*;
 
 @Slf4j
@@ -65,6 +66,22 @@ public class AiConfigServiceImpl implements IAiConfigService {
 
     private final ObjectMapper objectMapper = new ObjectMapper();
 
+    /**
+     * 启动时统一 ROI 表中的 device_id，确保与 Edge 端 EDGE_DEVICE_ID 一致
+     */
+    @PostConstruct
+    public void normalizeDeviceIds() {
+        try {
+            String defaultDeviceId = getDefaultDeviceId();
+            int updated = roiMapper.updateAllDeviceId(defaultDeviceId);
+            if (updated > 0) {
+                log.info("[AiConfig] 启动时统一 {} 条 ROI 的 device_id → {}", updated, defaultDeviceId);
+            }
+        } catch (Exception e) {
+            log.warn("[AiConfig] 启动时修复 device_id 失败: {}", e.getMessage());
+        }
+    }
+
     @Override
     public Map<String, Object> exportConfig(String cameraId) {
         Map<String, Object> config = new LinkedHashMap<>();