diff --git a/apm-sniffer/apm-agent-core/src/main/java/org/skywalking/apm/agent/core/remote/TraceSegmentServiceClient.java b/apm-sniffer/apm-agent-core/src/main/java/org/skywalking/apm/agent/core/remote/TraceSegmentServiceClient.java
index 724b440a3adec1af12564a8be56f6c14d82b0126..18eece17980a172707d5164c4f4767a599142dd8 100644
--- a/apm-sniffer/apm-agent-core/src/main/java/org/skywalking/apm/agent/core/remote/TraceSegmentServiceClient.java
+++ b/apm-sniffer/apm-agent-core/src/main/java/org/skywalking/apm/agent/core/remote/TraceSegmentServiceClient.java
@@ -112,7 +112,7 @@ public class TraceSegmentServiceClient implements BootService, IConsumer<TraceSe
 
     private void printUplinkStatus() {
         long currentTimeMillis = System.currentTimeMillis();
-        if (lastLogTime - currentTimeMillis > 30 * 1000) {
+        if (currentTimeMillis - lastLogTime > 30 * 1000) {
             lastLogTime = currentTimeMillis;
             if (segmentUplinkedCounter > 0) {
                 logger.debug("{} trace segments have been sent to collector.", segmentUplinkedCounter);