【bug】fix the registry plugin bugs
### What happened?

can not work

### How can we reproduce it (as minimally and precisely as possible)?

no

### Anything else we need to know?

_No response_

### Sermant version

<details>
0.6.0
</details>


### OS version

<details>

```console
# On Linux:
$ cat /etc/os-release
# paste output here
$ uname -a
# paste output here

# On Windows:
C:\\> wmic os get Caption, Version, BuildNumber, OSArchitecture
# paste output here
```
</details>

diff --git a/sermant-plugins/sermant-springboot-registry/springboot-registry-service/src/main/java/com/huawei/discovery/service/retry/RetryServiceImpl.java b/sermant-plugins/sermant-springboot-registry/springboot-registry-service/src/main/java/com/huawei/discovery/service/retry/RetryServiceImpl.java
index ce5ee597..454ca55e 100644
--- a/sermant-plugins/sermant-springboot-registry/springboot-registry-service/src/main/java/com/huawei/discovery/service/retry/RetryServiceImpl.java
+++ b/sermant-plugins/sermant-springboot-registry/springboot-registry-service/src/main/java/com/huawei/discovery/service/retry/RetryServiceImpl.java
@@ -40,6 +40,7 @@ import java.net.ConnectException;
 import java.net.NoRouteToHostException;
 import java.time.LocalDateTime;
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
@@ -66,9 +67,8 @@ public class RetryServiceImpl implements InvokerService {
             ConnectException.class,
             NoRouteToHostException.class);
 
-    private final List<String> rawRetryEx = Arrays.asList(
-            "org.apache.http.conn.ConnectTimeoutException",
-            "org.apache.http.NoHttpResponseException");
+    private final List<String> rawRetryEx = Collections.singletonList(
+            "org.apache.http.conn.ConnectTimeoutException");
 
     private final Map<String, Retry> retryCache = new ConcurrentHashMap<>();
 
['sermant-plugins/sermant-springboot-registry/springboot-registry-service/src/main/java/com/huawei/discovery/service/retry/RetryServiceImpl.java']