diff --git a/tracer-core/src/test/java/com/alipay/common/tracer/core/tracertest/SofaTracerTest.java b/tracer-core/src/test/java/com/alipay/common/tracer/core/tracertest/SofaTracerTest.java
index 1c13eb66..62c239e6 100644
--- a/tracer-core/src/test/java/com/alipay/common/tracer/core/tracertest/SofaTracerTest.java
+++ b/tracer-core/src/test/java/com/alipay/common/tracer/core/tracertest/SofaTracerTest.java
@@ -41,6 +41,8 @@
 
 import java.io.File;
 import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
@@ -141,6 +143,11 @@ public void testReportSpan() {
                         .getDefaultLogName());
                 String absolutePath = file.getAbsolutePath();
                 System.out.println("path is ????"+absolutePath);
+                if (Files.exists(Paths.get(absolutePath))) {
+                    System.out.println("文件存在");
+                } else {
+                    System.out.println("文件不存在");
+                }
                 List<String> contents = FileUtils.readLines(customFileLog(TracerTestLogEnum.RPC_CLIENT
                         .getDefaultLogName()));
                 assertEquals(contents.get(0), 1, contents.size());