diff --git a/deploy/agent/kindling-collector-config.yml b/deploy/agent/kindling-collector-config.yml
index 10d324c23..cbcd57e0a 100644
--- a/deploy/agent/kindling-collector-config.yml
+++ b/deploy/agent/kindling-collector-config.yml
@@ -52,11 +52,11 @@ analyzers:
     # The unit is second. The greater it is, the more data will be stored.
     edge_events_window_size: 2
     #java_trace_delete_interval is the interval for cleaning up expired data in javatraces.
-	  #The unit is seconds.
+    #The unit is seconds.
     java_trace_delete_interval: 10
     #java_trace_expiration_time is the expiration time for data in javatraces.
-	  #The unit is seconds.
-		java_trace_expiration_time: 30
+    #The unit is seconds.
+    java_trace_expiration_time: 30
   tcpconnectanalyzer:
     channel_size: 10000
     wait_event_second: 10
@@ -248,4 +248,4 @@ observability:
       # Note: DO NOT add the prefix "http://"
       endpoint: 10.10.10.10:8080
     stdout:
-      collect_period: 15s
\ No newline at end of file
+      collect_period: 15s