diff --git a/CHANGELOG.md b/CHANGELOG.md
index 00705cfb..e16d5220 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@ Please visit https://github.com/shd101wyy/vscode-markdown-preview-enhanced/relea
 
 ## [Unreleased]
 
-## [0.9.8] - 2024-3-10
+## [0.9.8] - 2024-03-10
 
 ### New features
 
diff --git a/test/markdown/test-files/test7.expect.md b/test/markdown/test-files/test7.expect.md
new file mode 100644
index 00000000..cf4cbdfc
--- /dev/null
+++ b/test/markdown/test-files/test7.expect.md
@@ -0,0 +1,3 @@
+# How are you {#how-are-you  data-source-line="1"}
+
+#tag shouldn't be header
diff --git a/test/markdown/test-files/test7.md b/test/markdown/test-files/test7.md
new file mode 100644
index 00000000..d44927b3
--- /dev/null
+++ b/test/markdown/test-files/test7.md
@@ -0,0 +1,3 @@
+# How are you
+
+#tag shouldn't be header