diff --git a/src/App.vue b/src/App.vue
index 8fa58ff..647f668 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -886,36 +886,14 @@ function deleteSelected() {
       <div class="world" :style="worldStyle" ref="worldRef">
         <!-- 导线（SVG 覆盖层） -->
         <svg class="wires" :width="state.worldSize" :height="state.worldSize" @mousemove="onViewportMouseMoveTrack">
-          <!-- 定义阴影与每条导线的渐变高光 -->
-          <defs>
-            <filter id="wireShadow" x="-20%" y="-20%" width="140%" height="140%">
-              <feDropShadow dx="0" dy="1" stdDeviation="1" flood-color="#000" flood-opacity="0.12" />
-            </filter>
-            <template v-for="w in wires">
-              <linearGradient :id="'wireGrad-' + w.id" gradientUnits="userSpaceOnUse"
-                :x1="getConnectionPointWorldPos(getInstance(w.a.instId)!, w.a.cpIndex).x"
-                :y1="getConnectionPointWorldPos(getInstance(w.a.instId)!, w.a.cpIndex).y"
-                :x2="getConnectionPointWorldPos(getInstance(w.b.instId)!, w.b.cpIndex).x"
-                :y2="getConnectionPointWorldPos(getInstance(w.b.instId)!, w.b.cpIndex).y">
-                <stop offset="0%" stop-color="#f3f4f6" />
-                <stop offset="100%" stop-color="#6b7280" />
-              </linearGradient>
-            </template>
-          </defs>
           <g>
-            <!-- 分层导线：底层暗色，顶层渐变高光，圆角端点，更有质感 -->
-            <g v-for="w in wires" :key="w.id" class="wire-group" filter="url(#wireShadow)"
+            <g v-for="w in wires" :key="w.id" class="wire-group"
               @click.stop="(e) => removeWire(w.id, e)">
               <line class="wire-base" :x1="getConnectionPointWorldPos(getInstance(w.a.instId)!, w.a.cpIndex).x"
                 :y1="getConnectionPointWorldPos(getInstance(w.a.instId)!, w.a.cpIndex).y"
                 :x2="getConnectionPointWorldPos(getInstance(w.b.instId)!, w.b.cpIndex).x"
                 :y2="getConnectionPointWorldPos(getInstance(w.b.instId)!, w.b.cpIndex).y" stroke-linecap="round"
                 vector-effect="non-scaling-stroke" />
-              <line class="wire-highlight" :x1="getConnectionPointWorldPos(getInstance(w.a.instId)!, w.a.cpIndex).x"
-                :y1="getConnectionPointWorldPos(getInstance(w.a.instId)!, w.a.cpIndex).y"
-                :x2="getConnectionPointWorldPos(getInstance(w.b.instId)!, w.b.cpIndex).x"
-                :y2="getConnectionPointWorldPos(getInstance(w.b.instId)!, w.b.cpIndex).y"
-                :stroke="'url(#wireGrad-' + w.id + ')'" stroke-linecap="round" vector-effect="non-scaling-stroke" />
             </g>
 
             <!-- 预览线：当选中一个端点时，显示到鼠标或吸附端点的线 -->
diff --git a/src/components/PalettePanel.vue b/src/components/PalettePanel.vue
deleted file mode 100644
index 903c036..0000000
--- a/src/components/PalettePanel.vue
+++ /dev/null
@@ -1,8 +0,0 @@
-<script setup lang="ts">
-
-import { elements, type CircuitElement, type Preset } from '../elements'
-
-// 1) 左侧面板元件清单（显式导入）
-type PaletteItem = CircuitElement
-const palette: PaletteItem[] = [...elements]
-</script>
\ No newline at end of file