diff --git a/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/worker/task/AbstractCommandExecutor.java b/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/worker/task/AbstractCommandExecutor.java
index 1854aa9ea5..30950a75df 100644
--- a/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/worker/task/AbstractCommandExecutor.java
+++ b/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/worker/task/AbstractCommandExecutor.java
@@ -347,7 +347,7 @@ public abstract class AbstractCommandExecutor {
                     String line = null;
 
                     long lastFlushTime = System.currentTimeMillis();
-                    while (logBuffer.size()>0 || (line = inReader.readLine()) != null) {
+                    while (logBuffer.size() > 0 || (line = inReader.readLine()) != null) {
                         if (null != line) {
                             if (line.startsWith("${setValue(")) {
                                 varPool.append(line.substring("${setValue(".length(), line.length() - 2));