diff --git a/app/appearance/themes/daylight/theme.css b/app/appearance/themes/daylight/theme.css
index 7a33cf02b..22d44796f 100644
--- a/app/appearance/themes/daylight/theme.css
+++ b/app/appearance/themes/daylight/theme.css
@@ -29,6 +29,7 @@
     --b3-font-family-graph: mononoki;
     --b3-font-family-emoji: "Segoe UI Emoji", "Segoe UI Symbol", "Segoe UI", "Apple Color Emoji", "Twemoji Mozilla", "Noto Color Emoji", "Android Emoji";
     --b3-font-family-math: KaTeX_Math;
+    --b3-font-size: 14px;
 
     /* 顶部工具栏 */
     --b3-toolbar-background: var(--b3-theme-surface);
diff --git a/app/appearance/themes/midnight/theme.css b/app/appearance/themes/midnight/theme.css
index 2f94a0256..3b7e7cf27 100644
--- a/app/appearance/themes/midnight/theme.css
+++ b/app/appearance/themes/midnight/theme.css
@@ -28,6 +28,7 @@
     --b3-font-family-graph: mononoki;
     --b3-font-family-emoji: "Segoe UI Emoji", "Segoe UI Symbol", "Segoe UI", "Apple Color Emoji", "Twemoji Mozilla", "Noto Color Emoji", "Android Emoji";
     --b3-font-family-math: KaTeX_Math;
+    --b3-font-size: 14px;
 
     /* 顶部工具栏 */
     --b3-toolbar-background: var(--b3-theme-surface);
diff --git a/app/src/assets/scss/component/_dialog.scss b/app/src/assets/scss/component/_dialog.scss
index aaa4b2a79..59445d509 100644
--- a/app/src/assets/scss/component/_dialog.scss
+++ b/app/src/assets/scss/component/_dialog.scss
@@ -8,6 +8,7 @@
   width: 100%;
   height: 100%;
   display: flex;
+  font-size: var(--b3-font-size);
 
   &--open {
     .b3-dialog__scrim {
diff --git a/app/src/assets/scss/component/_menu.scss b/app/src/assets/scss/component/_menu.scss
index f477232f4..d6d7b2f00 100644
--- a/app/src/assets/scss/component/_menu.scss
+++ b/app/src/assets/scss/component/_menu.scss
@@ -6,6 +6,7 @@
   background-color: var(--b3-menu-background);
   padding: 8px 0;
   box-sizing: border-box;
+  font-size: var(--b3-font-size);
 
   &::-webkit-scrollbar,
   &__submenu::-webkit-scrollbar {
diff --git a/app/src/assets/scss/component/_snackbar.scss b/app/src/assets/scss/component/_snackbar.scss
index 2cc837b35..6e2cfc177 100644
--- a/app/src/assets/scss/component/_snackbar.scss
+++ b/app/src/assets/scss/component/_snackbar.scss
@@ -3,6 +3,7 @@
   position: relative;
   transition: transform 256ms cubic-bezier(.45, .05, .55, .95) 0ms;
   text-align: right;
+  font-size: var(--b3-font-size);
 
   &--hide {
     transform: translate3d(calc(20vw + 48px), 0, 0);
diff --git a/app/src/assets/scss/util/_reset.scss b/app/src/assets/scss/util/_reset.scss
index 0b4877915..79008bbb5 100644
--- a/app/src/assets/scss/util/_reset.scss
+++ b/app/src/assets/scss/util/_reset.scss
@@ -13,7 +13,6 @@ body {
   text-rendering: optimizeLegibility;
   margin: 0;
   font-family: var(--b3-font-family);
-  font-size: 14px;
   color: var(--b3-theme-on-background);
   background-color: var(--b3-theme-background);
   -webkit-font-smoothing: antialiased;
@@ -23,6 +22,11 @@ body {
   max-height: 100%;
   overflow: hidden;
 
+  // body 使用字号导致显示不全 https://github.com/siyuan-note/siyuan/issues/11670#issuecomment-2282329358
+  & > #dockBottom, & > .fn__flex-1 {
+    font-size: 14px;
+  }
+
   &.body--blur {
     .toolbar {
       background: var(--b3-toolbar-blur-background);