diff --git a/proxy/backend/type/mysql/src/main/java/org/apache/shardingsphere/proxy/backend/mysql/handler/admin/executor/ShowProcessListExecutor.java b/proxy/backend/type/mysql/src/main/java/org/apache/shardingsphere/proxy/backend/mysql/handler/admin/executor/ShowProcessListExecutor.java
index 57dd3db0bdb10..3254b62ee3f5d 100644
--- a/proxy/backend/type/mysql/src/main/java/org/apache/shardingsphere/proxy/backend/mysql/handler/admin/executor/ShowProcessListExecutor.java
+++ b/proxy/backend/type/mysql/src/main/java/org/apache/shardingsphere/proxy/backend/mysql/handler/admin/executor/ShowProcessListExecutor.java
@@ -62,7 +62,7 @@ public void execute(final ConnectionSession connectionSession) {
     
     private QueryResult getQueryResult() {
         Collection<Process> processes = ProxyContext.getInstance().getContextManager().getPersistServiceFacade().getProcessPersistService().getProcessList();
-        if (null == processes || processes.isEmpty()) {
+        if (processes.isEmpty()) {
             return new RawMemoryQueryResult(queryResultMetaData, Collections.emptyList());
         }
         List<MemoryQueryResultDataRow> rows = processes.stream().map(this::getMemoryQueryResultDataRow).collect(Collectors.toList());