diff --git a/hippo4j-core/src/main/java/cn/hippo4j/core/executor/state/AbstractThreadPoolRuntime.java b/hippo4j-core/src/main/java/cn/hippo4j/core/executor/state/AbstractThreadPoolRuntime.java
index 3d42beb0..8d9ca68f 100644
--- a/hippo4j-core/src/main/java/cn/hippo4j/core/executor/state/AbstractThreadPoolRuntime.java
+++ b/hippo4j-core/src/main/java/cn/hippo4j/core/executor/state/AbstractThreadPoolRuntime.java
@@ -69,7 +69,7 @@ public abstract class AbstractThreadPoolRuntime {
         long rejectCount = actualExecutor instanceof DynamicThreadPoolExecutor ? ((DynamicThreadPoolExecutor) actualExecutor).getRejectCountNum() : -1L;
         ThreadPoolRunStateInfo stateInfo = ThreadPoolRunStateInfo.builder()
                 .tpId(threadPoolId)
-                .activeCount(activeCount)
+                .activeSize(activeCount)
                 .poolSize(actualExecutor.getPoolSize())
                 .completedTaskCount(actualExecutor.getCompletedTaskCount())
                 .largestPoolSize(largestPoolSize)