diff --git a/base/edf/thread_test.go b/base/edf/thread_test.go
index <HASH>..<HASH> 100644
--- a/base/edf/thread_test.go
+++ b/base/edf/thread_test.go
@@ -55,5 +55,6 @@ func TestThreadFindAndWrite(T *testing.T) {
 				})
 			})
 		})
+		os.Remove("hello.db")
 	})
-}
\ No newline at end of file
+}
Delete tmpfile after edf test