diff --git a/packages/web-theme/CHANGELOG.md b/packages/web-theme/CHANGELOG.md
index af259e9530426d00911b5e6151637fd8027c9820..4f26b00b867d696b71438cd63054bd993b2b49e4 100644
--- a/packages/web-theme/CHANGELOG.md
+++ b/packages/web-theme/CHANGELOG.md
@@ -13,6 +13,10 @@
 
 - 支持 confirmUtil 信息、警告、异常等类型颜色调整
 
+### Fixed
+
+- 修复按钮plain样式异常
+
 ## [1.0.3] - 2023-08-10
 
 ### Added
diff --git a/packages/web-theme/src/theme/generic/element-plus.scss b/packages/web-theme/src/theme/generic/element-plus.scss
index 353030e06e075da5141c743b4d31456d040b1b11..1cf01bd66fb645d6cfbbaa719b6c65ca0072f639 100644
--- a/packages/web-theme/src/theme/generic/element-plus.scss
+++ b/packages/web-theme/src/theme/generic/element-plus.scss
@@ -164,7 +164,7 @@
 
 .el-button.is-plain {
   --el-button-hover-text-color: #{getCssVar(color, white)};
-  --el-button-hover-bg-color: #{getCssVar(color, fill, 0)};
+  --el-button-hover-bg-color: #{getCssVar(color, primary)};
 }
 
 .el-button.is-text:not(.is-disabled):focus,