diff --git a/manager/src/main/java/org/apache/hertzbeat/manager/service/AiService.java b/manager/src/main/java/org/apache/hertzbeat/manager/service/AiService.java
index ea3d4a66d5a..ad2292ac774 100644
--- a/manager/src/main/java/org/apache/hertzbeat/manager/service/AiService.java
+++ b/manager/src/main/java/org/apache/hertzbeat/manager/service/AiService.java
@@ -19,7 +19,6 @@
 
 
 import org.apache.hertzbeat.common.constants.AiTypeEnum;
-import org.springframework.http.codec.ServerSentEvent;
 import reactor.core.publisher.Flux;