UI优化

apps/web-antd/src/views/code-generation/components/json-import.vue

@@ -283,7 +283,23 @@ onMounted(() => {
         <div class="flex items-center justify-between">
           <div class="flex items-center gap-2">
             <Button type="text" @click="emit('back')">
-              <i class="fa-solid fa-arrow-left mr-2"></i>返回
+              <svg
+                class="mr-2 inline-block"
+                width="14"
+                height="14"
+                viewBox="0 0 14 14"
+                fill="none"
+                xmlns="http://www.w3.org/2000/svg"
+              >
+                <path
+                  d="M8.75 3.5L5.25 7L8.75 10.5"
+                  stroke="currentColor"
+                  stroke-width="1.5"
+                  stroke-linecap="round"
+                  stroke-linejoin="round"
+                />
+              </svg>
+              返回
             </Button>
             <span class="text-lg font-semibold">JSON导入模式</span>
           </div>