diff --git a/build.third_step1.gradle b/build.third_step1.gradle
index 944ee24e5..12481b146 100644
--- a/build.third_step1.gradle
+++ b/build.third_step1.gradle
@@ -68,7 +68,8 @@ sourceSets{
 				"${srcDir}/fine-third-jdk11/fine-javax-jws/src/main/java",
 				"${srcDir}/fine-third-jdk11/fine-javax-xml-soap/src/main/java",
 				"${srcDir}/fine-third-jdk11/fine-jaxb/src/main/java",
-				"${srcDir}/fine-third-jdk11/fine-jaxws/src/main/java"
+				"${srcDir}/fine-third-jdk11/fine-jaxws/src/main/java",
+				"${srcDir}/fine-skywalking-toolkit-trace/src/main/java"
 				]
 		}
 	}
@@ -167,6 +168,7 @@ task copyFiles(type:Copy,dependsOn:'compileJava'){
 		with dataContent.call("${srcDir}/fine-sense4/src/main/resources")
 		with dataContent.call("${srcDir}/fine-netty/src/main/java")
 		with dataContent.call("${srcDir}/fine-netty/src/main/resources")
+		with dataContent.call("${srcDir}/fine-skywalking-toolkit-trace/src/main/java")
 		with dataContent.call("${srcDir}/fine-third-default/fine-sun-misc/src/main/java")
 		with dataContent.call("${srcDir}/fine-third-default/fine-zip-tools/src/main/java")
 		with dataContent.call("${srcDir}/fine-third-default/fine-sun-jpeg/src/main/java")