diff --git a/skywalking-application-toolkit/skywalking-toolkit-opentracing/src/main/java/com/a/eye/skywalking/toolkit/opentracing/SkyWalkingSpanBuilder.java b/skywalking-application-toolkit/skywalking-toolkit-opentracing/src/main/java/com/a/eye/skywalking/toolkit/opentracing/SkyWalkingSpanBuilder.java
index 15cc19d2189b028bb8af37176ce0beed6ed34db9..e5a3ca5d53934bda3c9d76167c9c408677c87e7d 100644
--- a/skywalking-application-toolkit/skywalking-toolkit-opentracing/src/main/java/com/a/eye/skywalking/toolkit/opentracing/SkyWalkingSpanBuilder.java
+++ b/skywalking-application-toolkit/skywalking-toolkit-opentracing/src/main/java/com/a/eye/skywalking/toolkit/opentracing/SkyWalkingSpanBuilder.java
@@ -94,6 +94,9 @@ public class SkyWalkingSpanBuilder implements Tracer.SpanBuilder {
 
     @Override
     public Span start() {
+        if (startTime == 0){
+            startTime = System.currentTimeMillis();
+        }
         return new SkyWalkingSpan(this.operationName, this.startTime, this.tags);
     }