diff --git a/web-app/src/app/service/collector.service.ts b/web-app/src/app/service/collector.service.ts
index 086a1151562..6344c8d1618 100644
--- a/web-app/src/app/service/collector.service.ts
+++ b/web-app/src/app/service/collector.service.ts
@@ -61,7 +61,8 @@ export class CollectorService {
       httpParams = httpParams.append('collectors', collector);
     });
     const options = { params: httpParams };
-    return this.http.put<Message<any>>(`${collector_uri}/online/`, null, options);
+    // 修复上下线接口调用异常问题  miki
+    return this.http.put<Message<any>>(`${collector_uri}/online`, null, options);
   }
 
   public goOfflineCollector(collectors: Set<string>): Observable<Message<any>> {
@@ -72,7 +73,8 @@ export class CollectorService {
       httpParams = httpParams.append('collectors', collector);
     });
     const options = { params: httpParams };
-    return this.http.put<Message<any>>(`${collector_uri}/offline/`, null, options);
+    // 修复上下线接口调用异常问题  miki
+    return this.http.put<Message<any>>(`${collector_uri}/offline`, null, options);
   }
 
   public deleteCollector(collectors: Set<string>): Observable<Message<any>> {