diff --git a/docs/_sidebar.md b/docs/_sidebar.md
index 5095167..b4ad105 100644
--- a/docs/_sidebar.md
+++ b/docs/_sidebar.md
@@ -46,16 +46,16 @@
 
   - [入门和概览](RxJS/RXJS：入门和概览.md)
   - [Cold-vs-Hot-Observables](RxJS/RxJS：Cold-vs-Hot-Observables.md)
-  - [Observable-Operator&Marble-Diagrams](RxJS/RxJS：Observable-Operator&Marble-Diagrams.md)
-  - [Operator-catch,retry,retryWhen,repeat](RxJS/RxJS：Operator-catch,retry,retryWhen,repeat.md)
-  - [Operator-combineLatest,withLatestFrom,zip](RxJS/RxJS：Operator-combineLatest,withLatestFrom,zip.md)
-  - [Operator-delay,delayWhen](RxJS/RxJS：Operator-delay,delayWhen.md)
-  - [Operator-distinct,distinctUntilChanged](RxJS/RxJS：Operator-distinct,distinctUntilChanged.md)
-  - [Operator-scan,buffer](RxJS/RxJS：Operator-scan,buffer.md)
-  - [Operator-skip,takeLast,last,concat,startWith,merge](RxJS/RxJS：Operator-skip,takeLast,last,concat,startWith,merge.md)
-  - [Operator-switch,mergeAll,concatAll](RxJS/RxJS：Operator-switch,mergeAll,concatAll.md)
-  - [Operator-switchMap,mergeMap,concatMap](RxJS/RxJS：Operator-switchMap,mergeMap,concatMap.md)
-  - [Operator-throttle,debounce](RxJS/RxJS：Operator-throttle,debounce.md)
+  - [Marble-Diagrams](RxJS/RxJS：Observable-Operator&Marble-Diagrams.md)
+  - [catch,retry,retryWhen,repeat](RxJS/RxJS：Operator-catch,retry,retryWhen,repeat.md)
+  - [combineLatest,withLatestFrom,zip](RxJS/RxJS：Operator-combineLatest,withLatestFrom,zip.md)
+  - [delay,delayWhen](RxJS/RxJS：Operator-delay,delayWhen.md)
+  - [distinct,distinctUntilChanged](RxJS/RxJS：Operator-distinct,distinctUntilChanged.md)
+  - [scan,buffer](RxJS/RxJS：Operator-scan,buffer.md)
+  - [skip,takeLast,last,concat,startWith,merge](RxJS/RxJS：Operator-skip,takeLast,last,concat,startWith,merge.md)
+  - [switch,mergeAll,concatAll](RxJS/RxJS：Operator-switch,mergeAll,concatAll.md)
+  - [switchMap,mergeMap,concatMap](RxJS/RxJS：Operator-switchMap,mergeMap,concatMap.md)
+  - [throttle,debounce](RxJS/RxJS：Operator-throttle,debounce.md)
   - [四种 Subjuct 的用法和区别](RxJS/RxJS：四种Subjuct的用法和区别.md)
   - [建立 Observable(一)](<RxJS/RxJS：建立Observable(一).md>)
   - [建立 Observable(二)](<RxJS/RxJS：建立Observable(二).md>)
diff --git "a/docs/\350\265\204\346\234\254\350\256\272/\347\254\254\344\270\200\345\215\267\347\254\224\350\256\260.md" "b/docs/\350\265\204\346\234\254\350\256\272/\347\254\254\344\270\200\345\215\267\347\254\224\350\256\260.md"
index 79e397e..7e57c03 100644
--- "a/docs/\350\265\204\346\234\254\350\256\272/\347\254\254\344\270\200\345\215\267\347\254\224\350\256\260.md"
+++ "b/docs/\350\265\204\346\234\254\350\256\272/\347\254\254\344\270\200\345\215\267\347\254\224\350\256\260.md"
@@ -51,3 +51,5 @@
 但当你看到商店里的手机时，所有这些社会关系都是看不见的。手机看起来就像是它们自己产生了价值，好像它们自己建立了与你的联系，而不是那些生产和销售它们的人。这就是拜物教的本质——商品看似拥有自主的力量和价值，而隐藏了真实的、由人的劳动创造的价值和社会关系。
 
 简而言之，商品的拜物教就是商品在市场上获得了一种看似独立的生命，而使得人们忽视了生产这些商品的劳动者之间的实际关系和劳动的重要性。
+
+## 货币和商品流通