diff --git a/apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/meter/MeterService.java b/apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/meter/MeterService.java
index b9027ebabe..baf675aee8 100644
--- a/apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/meter/MeterService.java
+++ b/apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/meter/MeterService.java
@@ -56,7 +56,8 @@ public <T extends BaseMeter> T register(T meter) {
         }
         if (meterMap.size() >= Config.Meter.MAX_METER_SIZE) {
             LOGGER.warn(
-                "Already out of the meter system max size, will not report. meter name:{}", meter.getName());
+                "Already out of the meter system max size [{}], will not report. meter name:{}, meter size:{}",
+                    Config.Meter.MAX_METER_SIZE, meter.getName(), meterMap.size());
             return meter;
         }