diff --git a/sdk/src/main/java/org/zstack/sdk/ZSClient.java b/sdk/src/main/java/org/zstack/sdk/ZSClient.java
index 569e1d5f..6525f349 100644
--- a/sdk/src/main/java/org/zstack/sdk/ZSClient.java
+++ b/sdk/src/main/java/org/zstack/sdk/ZSClient.java
@@ -727,7 +727,8 @@ private ApiResult syncPollResult(String url) {
                         current += interval;
                     }
                 } catch (InterruptedException e) {
-                    //ignore
+                    Thread.currentThread().interrupt();
+                    throw new ApiException(e);
                 } catch (IOException e) {
                     Thread.currentThread().interrupt();
                     throw new ApiException(e);