diff --git a/agent/src/main/java/io/wdd/agent/executor/thread/CommandExecLogCache.java b/agent/src/main/java/io/wdd/agent/executor/thread/CommandExecLogCache.java
index 1635a67..ce54e3c 100644
--- a/agent/src/main/java/io/wdd/agent/executor/thread/CommandExecLogCache.java
+++ b/agent/src/main/java/io/wdd/agent/executor/thread/CommandExecLogCache.java
@@ -129,6 +129,7 @@ public class CommandExecLogCache {
         CommandLogInputReaderMap.put(streamKey,
                                      inputStreamReader);
 
+        log.debug("开始获取bufferedReader中每一行的内容");
         // !! 此处会阻塞
         // 阻塞读取命令执行日志的输出流
         bufferedReader