diff --git a/chapters/Environments.tex b/chapters/Environments.tex
index 2439aebbffefab4bd57cb4fa64849adf89896a70..9f08725ae061986de71bcfbf8d10981ad662e0ce 100644
--- a/chapters/Environments.tex
+++ b/chapters/Environments.tex
@@ -1,6 +1,5 @@
 \chapter{閰嶇疆鐜}
 
-\section{姒傝堪}
 涓嬭〃鏄洰鍓嶇粡杩囨祴璇曠殑鐜銆傚鏋滄湁鍏朵粬鍙敤涓嶅彲鐢ㄧ殑鐜锛屾杩庤ˉ鍏呫€�
 
 \begin{table}[ht]
@@ -16,6 +15,7 @@
         Ubuntu 20.04 & \hologo{TeX}\,Live 2021 & 閫氳繃 \\
         鍗楀ぇ\hologo{TeX} & \hologo{TeX}\,Live 2021 & 閫氳繃 \\
         \bottomrule
+        Overleaf & \hologo{TeX}\,Live 2020 & cref瀛樺湪鏍煎紡闂  \\
     \end{tabular}
 \end{table}
 
@@ -34,7 +34,7 @@
 
 閰嶇疆瀹岀紪璇戝櫒鍚庯紝杩橀渶瑕佷竴涓枃鏈紪杈戝櫒浣滀负鍓嶇鏉ュ畬鎴怽texttt{.tex}鏂囦欢鍐呭鐨勫啓浣溿€�
 
-鑷充粖浠嶆湁鐩稿綋涓€閮ㄥ垎浜鸿涓篧indows鑷甫鐨勮浜嬫湰鏄渶濂界殑鏂囨湰缂栬緫鍣紝浣嗗浜庢湰椤圭洰鑰岃█锛屽湪姝よ瘹蹇冭瘹鎰忓湴鎺ㄨ崘浣犱娇鐢╘textbf{鏇寸幇浠ｆ洿缇庤鏇村鍔熻兘}鐨勭紪杈戝櫒锛岃濡俓emph{瀹夎浜� LaTeX Workshop 鎻掍欢 鐨� Visual Studio Code}锛屾潵瀹屾垚璁烘枃缂栧啓銆備綘涔熷彲浠ユ牴鎹釜浜虹殑鍠滃ソ闅忎究浣跨敤鍏朵粬缂栬緫鍣紝濡� TeXworks銆乀eX Studio绛夛紝椤烘墜灏辫銆�
+鑷充粖浠嶆湁鐩稿綋涓€閮ㄥ垎浜鸿涓篧indows鑷甫鐨刓texttt{璁颁簨鏈瑌鏄渶濂界殑鏂囨湰缂栬緫鍣紝浣嗗浜庢湰椤圭洰鑰岃█锛屽湪姝よ瘹蹇冭瘹鎰忓湴鎺ㄨ崘浣犱娇鐢╘textbf{鏇寸幇浠ｆ洿缇庤鏇村鍔熻兘}鐨勭紪杈戝櫒锛岃濡俓emph{瀹夎浜� LaTeX Workshop 鎻掍欢 鐨� \href{https://code.visualstudio.com/}{Visual Studio Code}}锛屾潵瀹屾垚璁烘枃缂栧啓銆備綘涔熷彲浠ユ牴鎹釜浜虹殑鍠滃ソ闅忎究浣跨敤鍏朵粬缂栬緫鍣紝濡� TeXworks銆乀eX Studio绛夛紝椤烘墜灏辫銆�
 
 鑻ヤ娇鐢� LaTeX Workshop 鎻掍欢锛屾湰椤圭洰鍦╘lstinline|.vscode/|涓彁渚涗竴浠界畝鏄撻厤缃紝鍙互鐪佺暐鍒濆閰嶇疆姝ラ鐩存帴浣跨敤銆�
 
@@ -51,7 +51,7 @@
 
 \section{鍦ㄧ嚎缂栬瘧}
 
-涓€涓樉鐒剁殑浜嬪疄鏄紝鏈湴\hologo{TeX}缂栬瘧鍣ㄥ畨瑁呰繃绋嬭緝涓烘极闀匡紝鍗犵敤绌洪棿杩囧ぇ锛岃€屼笖鍦ㄤ竴閮ㄥ垎澶勭悊鍣ㄦ€ц兘涓嶄匠鐨勭數鑴戜笂闇€瑕佽緝闀跨紪璇戞椂闂碶footnote{鍏跺疄杩欎笁鐐归兘鏄骞垮ぇ鐨刉indows鐢ㄦ埛璇寸殑锛屽悓涓€涓ā鏉垮湪Linux缂栬瘧鍙互鑺傜渷涓€鍗婅€楁椂}銆傛嫆缁濇帴鍙楄繖浜涢夯鐑︾殑鍚屽涓嶅Θ灏濊瘯鏈妭浠嬬粛鐨勫湪绾跨紪璇戞柟娉曘€�
+鐩镐俊浣犲湪鎺ヨЕ浜嗘湰鍦扮紪璇戜互鍚庡緢蹇氨浼氭剰璇嗗埌涓€浜涘崄鍒嗘樉鐒剁殑浜嬪疄锛岃濡俓hologo{TeX}缂栬瘧鍣ㄥ畨瑁呰繃绋嬭緝涓烘极闀匡紝鍗犵敤绌洪棿杩囧ぇ锛岃€屼笖鍦ㄤ竴閮ㄥ垎澶勭悊鍣ㄦ€ц兘涓嶄匠鐨勭數鑴戜笂闇€瑕佽緝闀跨紪璇戞椂闂碶footnote{鍏跺疄杩欎笁鐐归兘鏄骞垮ぇ鐨刉indows鐢ㄦ埛璇寸殑锛屽悓涓€涓ā鏉垮湪Linux缂栬瘧鍙互鑺傜渷涓€鍗婅€楁椂}銆傛嫆缁濇帴鍙楄繖浜涢夯鐑︾殑鍚屽涓嶅Θ灏濊瘯鏈妭浠嬬粛鐨勫湪绾跨紪璇戞柟娉曘€�
 
 \subsection{鍗楀ぇ\hologo{TeX}骞冲彴绠€浠媫