diff --git a/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/filter/impl/CopyAttrFilter.java b/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/filter/impl/CopyAttrFilter.java
index a17a2d8ed..4cf708cd4 100644
--- a/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/filter/impl/CopyAttrFilter.java
+++ b/skywalking-analysis/src/main/java/com/ai/cloud/skywalking/analysis/filter/impl/CopyAttrFilter.java
@@ -15,6 +15,7 @@ public class CopyAttrFilter extends SpanNodeProcessFilter {
         node.setParentLevelId(spanEntry.getParentLevelId());
         node.setViewPoint(spanEntry.getViewPoint());
         node.setUserId(spanEntry.getUserId());
+        node.setBusinessKey(spanEntry.getBusinessKey());
 
         if (getNextProcessChain() != null) {
             getNextProcessChain().doFilter(spanEntry, node, costMap);