diff --git a/packages/mob-theme/CHANGELOG.md b/packages/mob-theme/CHANGELOG.md
index 5adeb7bd7a80b636aeaba24f1ae344a209465a18..a0f2bf4d8630b36cb26bd2f857d521135f6675c9 100644
--- a/packages/mob-theme/CHANGELOG.md
+++ b/packages/mob-theme/CHANGELOG.md
@@ -12,6 +12,7 @@
 - 气泡弹出框项的禁用文本颜色适配主题
 - 优化移动端标签页样式，调整为分页类型统一使用的字体颜色
 - 补充编辑器激活变量
+- 补充编辑器flex布局横向对齐变量
 
 ### Changed
 
diff --git a/packages/mob-theme/src/theme/objects/editor/editor.scss b/packages/mob-theme/src/theme/objects/editor/editor.scss
index f5e160745b0e334598205454f3d88dec36b2c2be..928cb8733c78620cf545abb1632ee41100ac8a8d 100644
--- a/packages/mob-theme/src/theme/objects/editor/editor.scss
+++ b/packages/mob-theme/src/theme/objects/editor/editor.scss
@@ -6,6 +6,7 @@
   #{getCssVarName(editor, default, placeholder-color)}: getCssVar(color, text, 3);
   #{getCssVarName(editor, default, active-text-color)}: getCssVar(color, primary);
   #{getCssVarName(editor, default, text-align)}: right;
+  #{getCssVarName(editor, default, flex-justify-content)}: flex-end;
   #{getCssVarName(editor, default, required-style)}: initial;
   // 编辑器禁用
   #{getCssVarName(editor, disabled, text-color)}: getCssVar(color, text, 3);