diff --git a/index.html b/index.html
index e7dfd2b..9769726 100644
--- a/index.html
+++ b/index.html
@@ -169,6 +169,7 @@
         --theme-hover-background-color: #3982b9;
         --theme-active-background-color: #286CA0;
         --theme-color: white;
+        --theme-text-color-primary: #2e7dba;
       }
     </style>
     <script>
diff --git a/src/components/base/base-arrow.js b/src/components/base/base-arrow.js
index 8a5af9a..6ca3c15 100644
--- a/src/components/base/base-arrow.js
+++ b/src/components/base/base-arrow.js
@@ -19,16 +19,16 @@ class BaseArrow extends LitElement {
                 width: 8px;
                 height: 8px;
                 margin: 3px;
-                border-top: 1px solid #424242;
-                border-right: 1px solid #424242;
+                border-top: 1px solid var(--theme-text-color-primary, #424242);
+                border-right: 1px solid var(--theme-text-color-primary, #424242);
                 transform: rotate(45deg);
-                transition: transform .8s ease-in-out;
+                transition: transform .2s ease-in-out;
                 cursor: pointer;
                 outline: none;
             }
             div:focus {
-                border-top: 2px solid #424242;
-                border-right: 2px solid #424242;
+                border-top: 2px solid var(--theme-text-color-primary, #424242);
+                border-right: 2px solid var(--theme-text-color-primary, #424242);
             }
             .open {
                 transform: rotate(135deg);
diff --git a/src/components/map/layer/map-layer-set.js b/src/components/map/layer/map-layer-set.js
index 696e2a9..5f31bc3 100644
--- a/src/components/map/layer/map-layer-set.js
+++ b/src/components/map/layer/map-layer-set.js
@@ -33,7 +33,9 @@ class MapLayerSet extends LitElement {
                 position: relative;
                 height: 58px;
                 line-height: 58px;
+                font-weight: bold;
                 cursor: pointer;
+                color: #007BC7;
             }
             base-arrow {
                 position: absolute;
@@ -187,6 +189,7 @@ class MapLayerSet extends LitElement {
         })
     }
     _renderLayerList() {
+        console.log(this.layerSet);
         if (this.layerSet.length == 0) {
             return html`<map-layer .nolayer="${this.nolayer}"></map-layer>`;
         }