diff --git a/resources/assets/sass/pages/common.scss b/resources/assets/sass/pages/common.scss
index 4b529bd48..3ddce5d87 100755
--- a/resources/assets/sass/pages/common.scss
+++ b/resources/assets/sass/pages/common.scss
@@ -534,39 +534,6 @@ body {
             .ivu-table-body {
                 flex: 1;
                 overflow: auto;
-                overflow-y: overlay !important;
-
-                &::-webkit-scrollbar {
-                    width: 0;
-                    height: 0;
-                }
-
-                &::-webkit-scrollbar-thumb {
-                    border: 3px solid transparent;
-                    background-color: rgba(0, 0, 0, .2);
-                    background-clip: content-box;
-                    border-radius: 12px;
-                    &:hover {
-                        border: 2px solid transparent;
-                        background-color: rgba(0, 0, 0, .2);
-                    }
-                    &:active {
-                        border: 2px solid transparent;
-                        background-color: rgba(0, 0, 0, .4);
-                    }
-                }
-
-                &::-webkit-scrollbar-track {
-                    border-radius: 12px;
-                    background: rgba(0, 0, 0, 0);
-                }
-
-                &:hover {
-                    &::-webkit-scrollbar {
-                        width: 12px;
-                        height: 12px;
-                    }
-                }
             }
         }
     }
diff --git a/resources/assets/sass/pages/components/chat-input.scss b/resources/assets/sass/pages/components/chat-input.scss
index b0234613e..a9c9ab47b 100755
--- a/resources/assets/sass/pages/components/chat-input.scss
+++ b/resources/assets/sass/pages/components/chat-input.scss
@@ -670,7 +670,8 @@
     min-width: 220px;
     max-width: 280px;
     max-height: 360px;
-    overflow-y: overlay;
+    overflow-x: hidden;
+    overflow-y: auto;
 
     &.task-mention {
         .ql-mention-list {
@@ -688,38 +689,6 @@
         }
     }
 
-    &::-webkit-scrollbar {
-        width: 0;
-        height: 0;
-    }
-
-    &::-webkit-scrollbar-thumb {
-        border: 3px solid transparent;
-        background-color: rgba(0, 0, 0, .2);
-        background-clip: content-box;
-        border-radius: 12px;
-        &:hover {
-            border: 2px solid transparent;
-            background-color: rgba(0, 0, 0, .2);
-        }
-        &:active {
-            border: 2px solid transparent;
-            background-color: rgba(0, 0, 0, .4);
-        }
-    }
-
-    &::-webkit-scrollbar-track {
-        border-radius: 12px;
-        background: rgba(0, 0, 0, 0);
-    }
-
-    &:hover {
-        &::-webkit-scrollbar {
-            width: 12px;
-            height: 12px;
-        }
-    }
-
     .ql-mention-list {
         > li {
             &:first-child {