优化页面、修复BUG

client/src/components/admin/ImageUpload.vue

@@ -53,6 +53,7 @@
         <img :src="imageUrl" alt="Preview" class="w-full h-auto rounded-lg max-h-64 object-contain bg-white/5" />
         <div class="absolute inset-0 bg-black/60 opacity-0 group-hover:opacity-100 transition-opacity rounded-lg flex items-center justify-center gap-2">
           <button
+            type="button"
             @click.stop="() => removeImage()"
             class="px-4 py-2 bg-red-500/80 text-white rounded hover:bg-red-500 transition-colors text-sm"
             :disabled="disabled"
@@ -60,6 +61,7 @@
             删除
           </button>
           <button
+            type="button"
             @click.stop="triggerFileInput"
             class="px-4 py-2 bg-art-accent text-black rounded hover:opacity-90 transition-colors text-sm"
             :disabled="disabled"
@@ -94,6 +96,7 @@
             <img :src="url" :alt="`Image ${index + 1}`" class="w-full h-full object-cover" />
             <div class="absolute inset-0 bg-black/60 opacity-0 group-hover:opacity-100 transition-opacity flex items-center justify-center gap-2">
               <button
+                type="button"
                 @click="() => removeImage(index)"
                 class="px-3 py-1.5 bg-red-500/80 text-white rounded hover:bg-red-500 transition-colors text-xs"
                 :disabled="disabled"