diff --git a/Web/src/styles/rich-content.css b/Web/src/styles/rich-content.css
index 8df17ba..423b7e1 100644
--- a/Web/src/styles/rich-content.css
+++ b/Web/src/styles/rich-content.css
@@ -55,27 +55,23 @@
 
 /* 表格样式优化 - 确保表格独立滚动且列对齐 */
 .rich-html-content table {
-  display: table;
+  display: block;
   width: 100%;
   border-collapse: collapse;
   margin: 8px 0;
   background: var(--van-background-2);
   border-radius: 4px;
   border: none;
-  table-layout: fixed;
-}
-
-.rich-html-content table {
   overflow-x: auto; /* 仅表格内部横向滚动 */
   -webkit-overflow-scrolling: touch;
   overflow-y: auto;
   max-height: 35vh;
-  display: block;
 }
 
 .rich-html-content thead,
 .rich-html-content tbody {
   display: table;
+  width: 100%;
   table-layout: fixed; /* 核心：强制列宽分配逻辑一致 */
 }