diff --git a/.obsidian/plugins/keep-the-rhythm/data.json b/.obsidian/plugins/keep-the-rhythm/data.json
index 98db593..0a51505 100644
--- a/.obsidian/plugins/keep-the-rhythm/data.json
+++ b/.obsidian/plugins/keep-the-rhythm/data.json
@@ -538,11 +538,11 @@
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       },
       "2025-08-21": {
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+        "totalDelta": 14256,
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+            "current": 12301
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diff --git a/.obsidian/plugins/novel-word-count/data.json b/.obsidian/plugins/novel-word-count/data.json
index c8a6151..a39bda7 100644
--- a/.obsidian/plugins/novel-word-count/data.json
+++ b/.obsidian/plugins/novel-word-count/data.json
@@ -463,20 +463,20 @@
       "isCountable": true,
       "targetNodeType": "file",
       "noteCount": 1,
-      "wordCount": 3919,
+      "wordCount": 3941,
       "wordCountTowardGoal": 0,
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-      "characterCount": 14041,
-      "nonWhitespaceCharacterCount": 10814,
-      "newlineCount": 574,
-      "readingTimeInMinutes": 9.01033962264151,
+      "pageCount": 13.136666666666667,
+      "characterCount": 14107,
+      "nonWhitespaceCharacterCount": 10873,
+      "newlineCount": 579,
+      "readingTimeInMinutes": 9.06143396226415,
       "linkCount": 0,
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+      "embedCount": 2,
       "aliases": null,
       "createdDate": 1753961160249,
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+      "modifiedDate": 1755785864301,
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       "sessionStart": {
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@@ -529,8 +529,8 @@
       "embedCount": 0,
       "aliases": [],
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-      "modifiedDate": 1755785514051,
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diff --git a/A1-Work/语言/Java/基础学习.md b/A1-Work/语言/Java/基础学习.md
index 8e5dc68..9e20039 100644
--- a/A1-Work/语言/Java/基础学习.md
+++ b/A1-Work/语言/Java/基础学习.md
@@ -545,6 +545,7 @@ classDiagram
 `BitSet` 用于存放一个位序列，也是个集合，但是每一个元素只有 `true` 和 `false`，对应 `0` 和 `1`，初始化值默认为 `false`。
 
 ## 多线程
+线程的 `run` 方法不能抛出任何被检查的异常。
 
 ### 线程状态
 - New（新创建）
@@ -557,6 +558,9 @@ classDiagram
 ![[A6-Excalidraw/线程状态|线程状态]]
 
 ### 守护线程
+唯一的用途就是为其他线程提供服务。
+
+### 同步
 
 
 ## JDK 特性