diff --git a/packages/flat-components/src/components/DeviceTestPage/CameraTest/style.less b/packages/flat-components/src/components/DeviceTestPage/CameraTest/style.less
index c5698e86ab2..2263a4d5ca6 100644
--- a/packages/flat-components/src/components/DeviceTestPage/CameraTest/style.less
+++ b/packages/flat-components/src/components/DeviceTestPage/CameraTest/style.less
@@ -7,6 +7,7 @@
     height: 240px;
     width: 100%;
     position: relative;
+    border-radius: 6px;
     background-color: #000;
 }
 
@@ -16,6 +17,12 @@
     left: 0;
     right: 0;
     bottom: 0;
+    > div {
+        background-color: #fff !important;
+        > video {
+            border-radius: 6px;
+        }
+    }
 }
 
 .camera-test-select-box {
@@ -33,8 +40,8 @@
     align-items: center;
     justify-content: center;
     height: 240px;
-    border-radius: 4px;
-    background: #1a1e21;
+    border-radius: 6px;
+    background: var(--grey-11);
     z-index: 1;
 
     > span {
@@ -45,3 +52,11 @@
         display: flex;
     }
 }
+
+.flat-color-scheme-dark {
+    .camera-box {
+        > div {
+            background-color: var(--grey-10) !important;
+        }
+    }
+}
diff --git a/packages/flat-components/src/components/DeviceTestPage/DeviceTestSelect/style.less b/packages/flat-components/src/components/DeviceTestPage/DeviceTestSelect/style.less
index ea13ff402ec..e2c168bd487 100644
--- a/packages/flat-components/src/components/DeviceTestPage/DeviceTestSelect/style.less
+++ b/packages/flat-components/src/components/DeviceTestPage/DeviceTestSelect/style.less
@@ -22,8 +22,8 @@
         text-align: left;
         height: 36px;
         cursor: not-allowed;
-        color: rgba(68, 78, 96, 0.5);
-        background-color: #f3f6f9;
+        color: var(--text);
+        background-color: var(--grey-0);
 
         > img {
             padding-right: 10px;
@@ -31,6 +31,18 @@
     }
 
     > .ant-btn:hover {
-        border-color: #d9d9d9;
+        border-color: var(--grey-0);
+    }
+}
+
+.flat-color-scheme-dark {
+    .device-test-select-disabled-btn {
+        > .ant-btn {
+            background-color: var(--grey-9);
+        }
+
+        > .ant-btn:hover {
+            border-color: var(--grey-7);
+        }
     }
 }
diff --git a/packages/flat-components/src/components/DeviceTestPage/MicrophoneTest/style.less b/packages/flat-components/src/components/DeviceTestPage/MicrophoneTest/style.less
index 64104dd2b99..070991cb482 100644
--- a/packages/flat-components/src/components/DeviceTestPage/MicrophoneTest/style.less
+++ b/packages/flat-components/src/components/DeviceTestPage/MicrophoneTest/style.less
@@ -31,3 +31,23 @@
         white 30px
     );
 }
+
+.flat-color-scheme-dark {
+    .microphone-test-wrapper {
+        background-color: var(--grey-9);
+    }
+
+    .microphone-test-volume {
+        background-color: var(--green-7);
+    }
+
+    .microphone-test-mask {
+        background: repeating-linear-gradient(
+            to right,
+            transparent,
+            transparent 29px,
+            var(--grey-10) 1px,
+            var(--grey-10) 30px
+        );
+    }
+}
diff --git a/packages/flat-components/src/components/PeriodicRoomPage/index.less b/packages/flat-components/src/components/PeriodicRoomPage/index.less
index 59ac968536b..7bf4e7c0065 100644
--- a/packages/flat-components/src/components/PeriodicRoomPage/index.less
+++ b/packages/flat-components/src/components/PeriodicRoomPage/index.less
@@ -14,6 +14,7 @@
 .periodic-room-panel-btn-list {
     display: flex;
     flex-direction: row-reverse;
+    padding-bottom: 16px;
 
     .ant-btn {
         width: 128px;
diff --git a/packages/flat-components/src/theme/antd.mod.less b/packages/flat-components/src/theme/antd.mod.less
index c5275ea6551..c4d6d231283 100644
--- a/packages/flat-components/src/theme/antd.mod.less
+++ b/packages/flat-components/src/theme/antd.mod.less
@@ -535,6 +535,11 @@
         .ant-form-item-has-error :not(.ant-input-disabled):not(.ant-input-borderless).ant-input {
             background-color: var(--grey-9);
         }
+
+        .ant-form-item-has-error .ant-input-number:not([disabled]):hover,
+        .ant-form-item-has-error .ant-picker:not([disabled]):hover {
+            background-color: var(--grey-10);
+        }
     }
 
     .ant-form-item-control-input {
@@ -828,6 +833,10 @@
                 background-color: var(--blue-1);
             }
         }
+
+        .ant-empty-description {
+            color: var(--text);
+        }
     }
 }