diff --git a/p__Classrooms__Lists__CommonHomework__index.chunk.css b/p__Classrooms__Lists__CommonHomework__index.chunk.css
index 1b467d22c1..dda2a554b8 100644
--- a/p__Classrooms__Lists__CommonHomework__index.chunk.css
+++ b/p__Classrooms__Lists__CommonHomework__index.chunk.css
@@ -1793,7 +1793,7 @@ button[class~='ant-btn-default']:disabled.btn___In02G {
 }
 .bottomControlContainer___t5WWD .buttonWrap___HfupJ {
   position: relative;
-  z-index: 1003;
+  z-index: 999;
 }
 .bottomControlContainer___t5WWD .buttonWrap___HfupJ {
   min-height: 30px;
diff --git a/p__Classrooms__Lists__GroupHomework__index.chunk.css b/p__Classrooms__Lists__GroupHomework__index.chunk.css
index a1b2ac4d58..34dd116d6e 100644
--- a/p__Classrooms__Lists__GroupHomework__index.chunk.css
+++ b/p__Classrooms__Lists__GroupHomework__index.chunk.css
@@ -562,7 +562,7 @@ div[class~="ant-modal-confirm-content"] {
 }
 .bottomControlContainer___yUX9N .buttonWrap___A3uZF {
   position: relative;
-  z-index: 1003;
+  z-index: 999;
 }
 .bottomControlContainer___yUX9N .buttonWrap___A3uZF {
   min-height: 30px;
diff --git a/p__Classrooms__Lists__ProgramHomework__index.async.js b/p__Classrooms__Lists__ProgramHomework__index.async.js
index 0de42ff905..94c9542f99 100644
--- a/p__Classrooms__Lists__ProgramHomework__index.async.js
+++ b/p__Classrooms__Lists__ProgramHomework__index.async.js
@@ -2240,7 +2240,7 @@ var BottomControl = function BottomControl(_ref) {
               className: BottomControlmodules.buttonWrap,
               style: {
                 position: "relative",
-                zIndex: 1003
+                zIndex: 999
               },
               icon: /*#__PURE__*/(0,jsx_runtime.jsx)("i", {
                 className: "iconfont icon-yidongmulu"