diff --git a/elegantpaper.cls b/elegantpaper.cls
index 08c326b..8d4646f 100644
--- a/elegantpaper.cls
+++ b/elegantpaper.cls
@@ -85,7 +85,7 @@
 
 \PassOptionsToPackage{no-math}{fontspec}
 \ifdefstring{\ELEGANT@lang}{cn}{
-\RequirePackage[UTF8, scheme=plain]{ctex}
+\RequirePackage[UTF8, scheme=plain, space]{ctex}
 }
 
 \ifxetex
@@ -153,6 +153,17 @@
 
 \AtBeginEnvironment{verbatim}{\microtypesetup{activate=false}}
 
+\AtBeginDocument{
+\setlength{\abovedisplayskip}{3pt}
+\setlength{\belowdisplayskip}{3pt}
+\RequirePackage[flushmargin]{footmisc}
+\setlength{\footnotesep}{12pt}
+}
+
+\BeforeBeginEnvironment{tabular}{\small}
+\AfterEndEnvironment{tabular}{}
+
+
 
 \def\IfEmpty#1{%
   \edef\1{\the#1}