diff --git a/skywalking-collector/skywalking-log/logback-plugin/src/main/java/com/ai/cloud/skywalking/plugin/log/logback/LogbackPatternConverter.java b/skywalking-collector/skywalking-log/logback-plugin/src/main/java/com/ai/cloud/skywalking/plugin/log/logback/LogbackPatternConverter.java
index 95180313f..17ab9f5ba 100644
--- a/skywalking-collector/skywalking-log/logback-plugin/src/main/java/com/ai/cloud/skywalking/plugin/log/logback/LogbackPatternConverter.java
+++ b/skywalking-collector/skywalking-log/logback-plugin/src/main/java/com/ai/cloud/skywalking/plugin/log/logback/LogbackPatternConverter.java
@@ -17,6 +17,6 @@ public class LogbackPatternConverter extends ClassicConverter {
 			return "TID:" + Tracing.getTraceId();
 		}
 
-		return "TID: N/A"+" "+event.toString();
+		return "TID: N/A";
 	}
 }
\ No newline at end of file
diff --git a/skywalking-collector/skywalking-log/logback-plugin/src/test/java/com/ai/LogbackMain.java b/skywalking-collector/skywalking-log/logback-plugin/src/test/java/com/ai/LogbackMain.java
index 5daff3170..386d0200a 100644
--- a/skywalking-collector/skywalking-log/logback-plugin/src/test/java/com/ai/LogbackMain.java
+++ b/skywalking-collector/skywalking-log/logback-plugin/src/test/java/com/ai/LogbackMain.java
@@ -16,7 +16,7 @@ public class LogbackMain {
         JoranConfigurator configurator = new JoranConfigurator();
         configurator.setContext(lc);
         lc.reset();
-        configurator.doConfigure("E:\\testdubbo\\GTrace\\GTrace-client\\src\\test\\resources\\logback.xml");
+        configurator.doConfigure("E:\\testdubbo\\sky-walking\\skywalking-collector\\skywalking-log\\logback-plugin\\src\\test\\resources\\logback.xml");
         StatusPrinter.printInCaseOfErrorsOrWarnings(lc);
 
         logger.info("Hello world11");