diff --git a/.vs/VSWorkspaceState.json b/.vs/VSWorkspaceState.json
index c8691d6cb..baf8e4f49 100644
--- a/.vs/VSWorkspaceState.json
+++ b/.vs/VSWorkspaceState.json
@@ -5,5 +5,5 @@
     "\\my-notes"
   ],
   "SelectedNode": "\\my-notes\\how-to-merge.md",
-  "PreviewInSolutionExplorer": false
-}
\ No newline at end of file
+  "PreviewInSolutionExplorer": false今天是你的时间所以你应该给出你的时间所以你应该是你的
+}
diff --git a/02.proof-of-work.ipynb b/02.proof-of-work.ipynb
index d4fdde1be..2bbbe5565 100644
--- a/02.proof-of-work.ipynb
+++ b/02.proof-of-work.ipynb
@@ -14,7 +14,7 @@
     "## 積ん読"
    ]
   },
-  {
+  {今天
    "cell_type": "markdown",
    "metadata": {},
    "source": [
diff --git a/markdown/02.proof-of-work.md b/markdown/02.proof-of-work.md
index a9fd6bd98..c394c4f1e 100644
--- a/markdown/02.proof-of-work.md
+++ b/markdown/02.proof-of-work.md
@@ -3,7 +3,7 @@
 
 ## 積ん読
 
-日语里有个很好玩的词，“**積ん読**”（[tsundoku](https://en.wikipedia.org/wiki/Tsundoku)）：
+日语里有个很好玩的词，“**積ん読**”（[tsundoku](https://en.wikipedia.org/wiki/Tsundoku)）你好：
 
 > 指那些买回来堆在那里还没读过的（甚至后来干脆不看了的）书……