diff --git a/src/less/base/single/editor/editor.textarea.less b/src/less/base/single/editor/editor.textarea.less
index bac545aac..a95850abb 100644
--- a/src/less/base/single/editor/editor.textarea.less
+++ b/src/less/base/single/editor/editor.textarea.less
@@ -10,8 +10,6 @@
     & {
       border: none;
     }
-    // BI-86802 div构造的水印移上去没有输入状态的光标,让编辑框层级比水印高一点
-    z-index: 1;
   }
   & .textarea-watermark{
     max-height: 100%;