diff --git a/km-common/src/main/java/com/xiaojukeji/know/streaming/km/common/constant/Constant.java b/km-common/src/main/java/com/xiaojukeji/know/streaming/km/common/constant/Constant.java
index 59a52c1c..6cfdf338 100644
--- a/km-common/src/main/java/com/xiaojukeji/know/streaming/km/common/constant/Constant.java
+++ b/km-common/src/main/java/com/xiaojukeji/know/streaming/km/common/constant/Constant.java
@@ -59,7 +59,7 @@ public class Constant {
      * 采集指标的花费时间
      */
     public static final String COLLECT_METRICS_COST_TIME_METRICS_NAME = "CollectMetricsCostTimeUnitSec";
-    public static final Float COLLECT_METRICS_ERROR_COST_TIME = -1.0F;
+    public static final Float COLLECT_METRICS_ERROR_COST_TIME = 100.001F;
 
     public static final Integer DEFAULT_RETRY_TIME = 3;