diff --git a/weixin-java-common/src/test/resources/logback-test.xml b/weixin-java-common/src/test/resources/logback-test.xml
index 984cd3ce6..e206e178e 100644
--- a/weixin-java-common/src/test/resources/logback-test.xml
+++ b/weixin-java-common/src/test/resources/logback-test.xml
@@ -1,9 +1,7 @@
 <configuration>
   <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
-    <!-- encoders are assigned the type
-         ch.qos.logback.classic.encoder.PatternLayoutEncoder by default -->
     <encoder>
-      <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
+      <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %replace(%caller{1}){'Caller', ''} - %msg%n</pattern>
     </encoder>
   </appender>
 
diff --git a/weixin-java-cp/src/test/resources/logback-test.xml b/weixin-java-cp/src/test/resources/logback-test.xml
index 998a68962..ec3deca97 100644
--- a/weixin-java-cp/src/test/resources/logback-test.xml
+++ b/weixin-java-cp/src/test/resources/logback-test.xml
@@ -1,10 +1,8 @@
 <configuration>
 
   <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
-    <!-- encoders are assigned the type
-         ch.qos.logback.classic.encoder.PatternLayoutEncoder by default -->
     <encoder>
-      <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
+      <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %replace(%caller{1}){'Caller', ''} - %msg%n</pattern>
     </encoder>
   </appender>
 
diff --git a/weixin-java-mp/src/test/resources/logback-test.xml b/weixin-java-mp/src/test/resources/logback-test.xml
index 9be51c9a5..8e87c71af 100644
--- a/weixin-java-mp/src/test/resources/logback-test.xml
+++ b/weixin-java-mp/src/test/resources/logback-test.xml
@@ -1,10 +1,8 @@
 <configuration>
 
   <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
-    <!-- encoders are assigned the type
-         ch.qos.logback.classic.encoder.PatternLayoutEncoder by default -->
     <encoder>
-      <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
+      <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %replace(%caller{1}){'Caller', ''} - %msg%n</pattern>
     </encoder>
   </appender>