diff --git a/src/components/icons/custom/LoadingIcon.vue b/src/components/icons/custom/LoadingIcon.vue
new file mode 100644
index 0000000..28afd0a
--- /dev/null
+++ b/src/components/icons/custom/LoadingIcon.vue
@@ -0,0 +1,40 @@
+<template>
+  <svg
+    xmlns="http://www.w3.org/2000/svg"
+    width="14"
+    height="14"
+    viewBox="0 0 14 14"
+    fill="none"
+  >
+    <path
+      d="M7 13C10.3137 13 13 10.3137 13 7C13 3.68629 10.3137 1 7 1C3.68629 1 1 3.68629 1 7"
+      stroke="url(#paint0_linear_169_1705)"
+      stroke-width="2"
+      stroke-linecap="round"
+    />
+    <defs>
+      <linearGradient
+        id="paint0_linear_169_1705"
+        x1="1"
+        y1="7"
+        x2="7"
+        y2="13"
+        gradientUnits="userSpaceOnUse"
+      >
+        <stop stop-color="white" />
+        <stop offset="1" stop-color="white" />
+      </linearGradient>
+    </defs>
+  </svg>
+</template>
+
+<script setup lang="ts">
+withDefaults(
+  defineProps<{
+    size?: number;
+  }>(),
+  {
+    size: 14,
+  },
+);
+</script>
diff --git a/src/components/icons/custom/PlusIcon.vue b/src/components/icons/custom/PlusIcon.vue
index 845f729..bd94ccf 100644
--- a/src/components/icons/custom/PlusIcon.vue
+++ b/src/components/icons/custom/PlusIcon.vue
@@ -1,7 +1,7 @@
 <template>
-  <svg xmlns="http://www.w3.org/2000/svg" width="13" height="13" viewBox="0 0 13 13" fill="none">
-    <path d="M0.5 6.49457H12.5" stroke="#999999" stroke-linecap="round" />
-    <path d="M6.49414 12.5L6.49414 0.5" stroke="#999999" stroke-linecap="round" />
+  <svg xmlns="http://www.w3.org/2000/svg" width="11" height="11" viewBox="0 0 11 11" fill="none">
+    <path d="M0.5 5.49469H10.5" stroke="#999999" stroke-linecap="round" />
+    <path d="M5.49512 10.5L5.49512 0.5" stroke="#999999" stroke-linecap="round" />
   </svg>
 </template>
 
diff --git a/src/components/icons/custom/StopIcon.vue b/src/components/icons/custom/StopIcon.vue
new file mode 100644
index 0000000..e1d1398
--- /dev/null
+++ b/src/components/icons/custom/StopIcon.vue
@@ -0,0 +1,22 @@
+<template>
+  <svg
+    xmlns="http://www.w3.org/2000/svg"
+    width="12"
+    height="12"
+    viewBox="0 0 12 12"
+    fill="none"
+  >
+    <rect width="12" height="12" rx="2" fill="white" />
+  </svg>
+</template>
+
+<script setup lang="ts">
+withDefaults(
+  defineProps<{
+    size?: number;
+  }>(),
+  {
+    size: 12,
+  },
+);
+</script>
diff --git a/src/components/input/ChatInput.vue b/src/components/input/ChatInput.vue
index 20fd88d..01ef7a8 100644
--- a/src/components/input/ChatInput.vue
+++ b/src/components/input/ChatInput.vue
@@ -8,7 +8,14 @@
           @remove="removeAttachment" @add-upload="triggerUploadInput" />
 
         <!-- 隐藏的文件输入框 -->
-        <input ref="uploadInputRef" type="file" multiple hidden @change="handleUploadSelect" />
+        <input
+          ref="uploadInputRef"
+          type="file"
+          :accept="uploadAccept"
+          multiple
+          hidden
+          @change="handleUploadSelect"
+        />
       </div>
 
       <!-- 文本输入框 -->
@@ -58,36 +65,35 @@
       <!-- 右侧功能按钮 -->
       <div class="input-actions right">
         <!-- 发送/停止按钮 -->
-        <button v-if="isStreaming" class="action-btn stop" title="停止生成" @click="$emit('stop')">
-          <StopCircle :size="20" />
-        </button>
-        <button v-else class="action-btn send" :class="{ active: canSend, loading: isProcessingAttachments }"
-          :disabled="!canSend" :title="isProcessingAttachments ? '附件处理中...' : '发送消息 (Ctrl+Enter)'" @click="handleSend">
-          <Loader2 v-if="isProcessingAttachments" :size="20" class="animate-spin" />
-          <SendIcon v-else :size="20" />
-        </button>
+        <button v-if="isStreaming" class="action-btn stop" title="停止生成" @click="$emit('stop')">
+          <StopIcon />
+        </button>
+        <button v-else class="action-btn send" :class="{ active: canSend, loading: isProcessingAttachments }"
+          :disabled="!canSend" :title="isProcessingAttachments ? '附件处理中...' : '发送消息 (Ctrl+Enter)'" @click="handleSend">
+          <LoadingIcon v-if="isProcessingAttachments" class="animate-spin" />
+          <SendIcon v-else :size="20" />
+        </button>
       </div>
     </div>
   </div>
 </template>
 
 <script setup lang="ts">
-import { ref, computed, watch, nextTick, onMounted } from "vue";
-import {
-  StopCircle,
-  Sparkles,
-  Globe,
-  Brain,
-  Loader2,
-  Upload,
-} from "@/components/icons";
+import { ref, computed, watch, nextTick, onMounted } from "vue";
+import {
+  Sparkles,
+  Globe,
+  Brain,
+} from "@/components/icons";
 import { generateId } from "@/utils/helpers";
 import type { Attachment } from "@/types/chat";
 import { chatApi } from "@/services/api";
-import { useAuthStore } from "@/stores/auth";
-import { useSettingsStore } from "@/stores/settings";
-import StackedCards from "@/components/ui/StackedCards.vue";
-import SendIcon from "../icons/custom/SendIcon.vue";
+import { useAuthStore } from "@/stores/auth";
+import { useSettingsStore } from "@/stores/settings";
+import StackedCards from "@/components/ui/StackedCards.vue";
+import SendIcon from "../icons/custom/SendIcon.vue";
+import StopIcon from "../icons/custom/StopIcon.vue";
+import LoadingIcon from "../icons/custom/LoadingIcon.vue";
 
 interface AttachmentWithProgress extends Attachment {
   uploading?: boolean;
@@ -175,10 +181,44 @@ function showThrottledToast(message: string, type: "error" = "error") {
 
 // 计算属性
 const charCount = computed(() => inputText.value.length);
-const isUploading = computed(() => attachments.value.some((a) => a.uploading));
-const isProcessingAttachments = computed(() =>
-  attachments.value.some((a) => a.uploading || a.deleting),
-);
+const isUploading = computed(() => attachments.value.some((a) => a.uploading));
+const isProcessingAttachments = computed(() =>
+  attachments.value.some((a) => a.uploading || a.deleting),
+);
+const textFileAccept =
+  ".txt,.md,.markdown,.pdf,.doc,.docx,.rtf,.csv,.tsv,.json,.xml,.html,.htm,.yaml,.yml,.log,.ini,.conf,.sql,.js,.ts,.jsx,.tsx,.py,.java,.c,.cpp,.h,.hpp,.go,.rs,.sh";
+const uploadAccept = computed(() => {
+  if (props.supports_vision && props.supports_files) {
+    return `image/*,${textFileAccept}`;
+  }
+  if (props.supports_vision) {
+    return "image/*";
+  }
+  if (props.supports_files) {
+    return textFileAccept;
+  }
+  return "";
+});
+
+function getFileExt(fileName: string) {
+  const idx = fileName.lastIndexOf(".");
+  if (idx === -1) return "";
+  return fileName.slice(idx).toLowerCase();
+}
+
+function getUploadTypeByModel(file: File): "image" | "file" | null {
+  const isImage =
+    file.type.startsWith("image/") ||
+    [".png", ".jpg", ".jpeg", ".gif", ".webp", ".bmp", ".svg", ".heic"].includes(
+      getFileExt(file.name),
+    );
+
+  if (isImage) {
+    return props.supports_vision ? "image" : null;
+  }
+
+  return props.supports_files ? "file" : null;
+}
 const canSend = computed(() => {
   return (
     (inputText.value.trim().length > 0 || attachments.value.length > 0) &&
@@ -261,7 +301,7 @@ function handleSend() {
 }
 
 // 处理粘贴事件
-async function handlePaste(event: ClipboardEvent) {
+async function handlePaste(event: ClipboardEvent) {
   const items = event.clipboardData?.items;
   if (!items) return;
 
@@ -281,31 +321,49 @@ async function handlePaste(event: ClipboardEvent) {
     }
   }
 
-  for (const item of items) {
-    if (item.type.startsWith("image/")) {
-      event.preventDefault();
-      const file = item.getAsFile();
-      if (file) {
-        await addFileAsAttachment(file, "image");
-      }
-    }
-  }
-}
-
-function triggerUploadInput() {
-  uploadInputRef.value?.click();
-}
+  for (const item of items) {
+    if (item.type.startsWith("image/")) {
+      const file = item.getAsFile();
+      if (file) {
+        const uploadType = getUploadTypeByModel(file);
+        if (uploadType === "image") {
+          event.preventDefault();
+          await addFileAsAttachment(file, uploadType);
+        } else {
+          event.preventDefault();
+          showThrottledToast("当前模型不支持上传图片");
+        }
+      }
+    }
+  }
+}
+
+function triggerUploadInput() {
+  if (!props.supports_vision && !props.supports_files) {
+    showThrottledToast("当前模型不支持上传附件");
+    return;
+  }
+  uploadInputRef.value?.click();
+}
 
 // 处理上传选择
 async function handleUploadSelect(event: Event) {
   const input = event.target as HTMLInputElement;
   const files = input.files;
-  if (!files) return;
-
-  for (const file of files) {
-    const type = file.type.startsWith("image/") ? "image" : "file";
-    await addFileAsAttachment(file, type);
-  }
+  if (!files) return;
+
+  for (const file of files) {
+    const uploadType = getUploadTypeByModel(file);
+    if (!uploadType) {
+      showThrottledToast(
+        file.type.startsWith("image/")
+          ? "当前模型不支持上传图片"
+          : "当前模型不支持上传附件文件",
+      );
+      continue;
+    }
+    await addFileAsAttachment(file, uploadType);
+  }
 
   input.value = "";
 }
@@ -568,7 +626,7 @@ onMounted(() => {
   }
 
   &.send {
-    background: #e5e7eb;
+    background: rgba(0, 15, 51, 0.20);
     color: #9ca3af;
 
     .dark & {
@@ -586,26 +644,26 @@ onMounted(() => {
     }
 
     &.loading {
-      background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
+      background: #000F33;
       color: white;
       cursor: wait;
     }
 
     &:disabled {
+      background: rgba(0, 15, 51, 0.20);
       cursor: not-allowed;
       opacity: 0.6;
     }
   }
 
-  &.stop {
-    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
-    color: white;
-    animation: pulse 2s infinite;
-
-    &:hover {
-      transform: scale(1.05);
-    }
-  }
+  &.stop {
+    background: #000F33;
+    color: white;
+
+    &:hover {
+      transform: scale(1.05);
+    }
+  }
 }
 
 .textarea-wrapper {
@@ -703,15 +761,4 @@ onMounted(() => {
   }
 }
 
-@keyframes pulse {
-
-  0%,
-  100% {
-    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4);
-  }
-
-  50% {
-    box-shadow: 0 0 0 8px rgba(239, 68, 68, 0);
-  }
-}
-</style>
+</style>
diff --git a/src/components/ui/StackedCards.vue b/src/components/ui/StackedCards.vue
index 8ef8d4a..ad67ce8 100644
--- a/src/components/ui/StackedCards.vue
+++ b/src/components/ui/StackedCards.vue
@@ -1,6 +1,6 @@
 <script setup lang="ts">
 import { ref, computed, onMounted, onUnmounted, watch } from 'vue'
-import { NModal, NImage } from 'naive-ui'
+import { NModal, NImage, NTooltip } from 'naive-ui'
 import PlusIcon from '../icons/custom/PlusIcon.vue'
 export interface CardItem {
   id: string | number
@@ -262,42 +262,85 @@ watch(
     @click="expandCards">
     <div class="cards-wrapper" @mouseenter="isWrapperHovered = true" @mouseleave="isWrapperHovered = false">
       <TransitionGroup name="card-spread">
-        <div v-for="(card, index) in cards" :key="card.id" class="card" :style="cardStyle(index, cards.length)"
-          @mouseenter="hoveredCardId = card.id" @mouseleave="hoveredCardId = null" @click="handleCardClick(card)">
-          <div class="card-glow" :style="{ background: getCardColor(card, index) }" />
-          <div v-if="card.type === 'image' && getCardImageUrl(card)" class="card-media">
-            <img :src="getCardImageUrl(card)" :alt="getCardTitle(card, index)" />
-            <div v-if="card.uploading" class="card-media-uploading">
-              <div class="card-media-uploading-spinner" aria-hidden="true" />
-              <span class="card-media-uploading-text">上传中</span>
+        <NTooltip
+          v-for="(card, index) in cards"
+          :key="card.id"
+          trigger="hover"
+          placement="top"
+        >
+          <template #trigger>
+            <div class="card" :style="cardStyle(index, cards.length)"
+              @mouseenter="hoveredCardId = card.id" @mouseleave="hoveredCardId = null" @click="handleCardClick(card)">
+              <div class="card-glow" :style="{ background: getCardColor(card, index) }" />
+              <div v-if="card.type === 'image' && getCardImageUrl(card)" class="card-media">
+                <img :src="getCardImageUrl(card)" :alt="getCardTitle(card, index)" />
+                <div v-if="card.uploading" class="card-media-uploading">
+                  <div class="card-media-uploading-spinner" aria-hidden="true" />
+                  <span class="card-media-uploading-text">上传中</span>
+                </div>
+                <div v-else-if="card.deleting" class="card-media-deleting">
+                  <div class="card-media-deleting-spinner" aria-hidden="true" />
+                  <span class="card-media-deleting-text">删除中</span>
+                </div>
+              </div>
+              <div v-else-if="card.type === 'image'" class="card-preview">
+                <div v-if="getCardImageUrl(card)" class="card-preview-image">
+                  <img :src="getCardImageUrl(card)" :alt="getCardTitle(card, index)" />
+                </div>
+                <div class="card-preview-fallback">
+                  <span class="card-icon">
+                    {{ getCardIcon(card) }}
+                  </span>
+                </div>
+                <div v-if="card.deleting" class="card-preview-deleting">
+                  <div class="card-preview-deleting-spinner" aria-hidden="true" />
+                  <span class="card-preview-deleting-text">删除中</span>
+                </div>
+              </div>
+              <div v-else class="card-file-preview">
+                <div class="card-file-icon" aria-hidden="true">
+                  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16" fill="none">
+                    <rect x="2.5" y="1.5" width="11" height="13" rx="1.5" stroke="#666666" />
+                    <path d="M5 5H11" stroke="#666666" stroke-linecap="round" />
+                    <path d="M5 8H11" stroke="#666666" stroke-linecap="round" />
+                    <path d="M5 11H11" stroke="#666666" stroke-linecap="round" />
+                  </svg>
+                </div>
+                <div class="card-file-name" :title="getCardTitle(card, index)">
+                  {{ getCardTitle(card, index) }}
+                </div>
+                <div v-if="card.deleting" class="card-preview-deleting">
+                  <div class="card-preview-deleting-spinner" aria-hidden="true" />
+                  <span class="card-preview-deleting-text">删除中</span>
+                </div>
+              </div>
+              <button v-if="!card.deleting && isWrapperHovered && (hoveredCardId === card.id || (!hoveredCardId && index === 0))"
+                type="button" class="card-delete-btn" title="删除 OSS 文件" @click.stop="removeCard(card)">
+                <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16" fill="none">
+                  <rect width="16.0008" height="16" rx="8" fill="#999999" />
+                  <path d="M5.49512 5.33374L10.6692 10.6624" stroke="white" stroke-linecap="round" />
+                  <path d="M10.5068 5.33813L5.33271 10.6668" stroke="white" stroke-linecap="round" />
+                </svg>
+              </button>
             </div>
-            <div v-else-if="card.deleting" class="card-media-deleting">
-              <div class="card-media-deleting-spinner" aria-hidden="true" />
-              <span class="card-media-deleting-text">删除中</span>
-            </div>
-          </div>
-          <div v-else class="card-preview">
-            <div v-if="getCardImageUrl(card)" class="card-preview-image">
-              <img :src="getCardImageUrl(card)" :alt="getCardTitle(card, index)" />
-            </div>
-            <div class="card-preview-fallback">
-              <span class="card-icon">
-                {{ getCardIcon(card) }}
-              </span>
-            </div>
-            <div v-if="card.deleting" class="card-preview-deleting">
-              <div class="card-preview-deleting-spinner" aria-hidden="true" />
-              <span class="card-preview-deleting-text">删除中</span>
-            </div>
-          </div>
-          <button v-if="!card.deleting && isWrapperHovered && (hoveredCardId === card.id || (!hoveredCardId && index === 0))"
-            type="button" class="card-delete-btn" title="删除 OSS 文件" @click.stop="removeCard(card)">
-            ✕
-          </button>
-        </div>
+          </template>
+          {{ getCardTitle(card, index) }}
+        </NTooltip>
       </TransitionGroup>
     </div>
 
+    <button
+      v-if="!isExpanded"
+      type="button"
+      class="cards-upload-fab"
+      :class="{ disabled: !canUpload }"
+      :disabled="!canUpload"
+      :title="canUpload ? '上传附件或图片' : '当前模型不支持上传'"
+      @click.stop="emit('add-upload')"
+    >
+      <PlusIcon :size="12" />
+    </button>
+
     <NModal v-model:show="isPreviewVisible" preset="card" :mask-closable="true" :close-on-esc="true"
       :on-close="removePreviewCard" class="image-preview-modal"
       :content-style="{ width: '100%', height: '100%', padding: '0', overflow: 'hidden' }"
@@ -329,6 +372,35 @@ watch(
   perspective: 1000px;
 }
 
+.cards-upload-fab {
+  position: absolute;
+  right: 2px;
+  bottom: 2px;
+  z-index: 999;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  width: 18px;
+  height: 18px;
+  border: 1px solid #e5e7eb;
+  border-radius: 999px;
+  background: #ffffff;
+  color: #999999;
+  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.16);
+  cursor: pointer;
+  transition: transform 0.2s ease, opacity 0.2s ease, background 0.2s ease;
+}
+
+.cards-upload-fab:hover:not(:disabled) {
+  transform: scale(1.06);
+}
+
+.cards-upload-fab.disabled,
+.cards-upload-fab:disabled {
+  opacity: 0.45;
+  cursor: not-allowed;
+}
+
 .stacked-cards-empty {
   display: flex;
   align-items: center;
@@ -358,7 +430,8 @@ watch(
 }
 
 .card-media,
-.card-preview {
+.card-preview,
+.card-file-preview {
   position: absolute;
   inset: 0;
   z-index: 0;
@@ -456,29 +529,31 @@ watch(
 
 .card-delete-btn {
   position: absolute;
-  top: 0.35rem;
-  right: 0.35rem;
+  top: 0.3rem;
+  right: 0.3rem;
   z-index: 4;
   display: inline-flex;
   align-items: center;
   justify-content: center;
-  width: 0.95rem;
-  height: 0.95rem;
+  width: 16.001px;
+  height: 16px;
+  aspect-ratio: 1 / 1;
   padding: 0;
   border: 0;
-  border-radius: 999px;
-  background: rgba(239, 68, 68, 0.9);
-  color: #fff;
-  font-size: 0.55rem;
-  line-height: 1;
+  border-radius: 50%;
+  background: transparent;
   cursor: pointer;
-  backdrop-filter: blur(10px);
-  transition: transform 0.2s ease, opacity 0.2s ease, background 0.2s ease;
+  transition: transform 0.2s ease, opacity 0.2s ease;
 }
 
 .card-delete-btn:hover {
   transform: scale(1.08);
-  background: rgba(220, 38, 38, 0.98);
+}
+
+.card-delete-btn svg {
+  width: 16.001px;
+  height: 16px;
+  display: block;
 }
 
 .card-media img,
@@ -555,6 +630,38 @@ watch(
   font-size: 0.95rem;
 }
 
+.card-file-preview {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  gap: 6px;
+  padding: 8px 6px;
+  background: #fff;
+}
+
+.card-file-icon {
+  width: 16px;
+  height: 16px;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.card-file-name {
+  width: 100%;
+  color: var(--6-666666, #666);
+  font-family: "Microsoft YaHei";
+  font-size: 10px;
+  font-style: normal;
+  font-weight: 400;
+  line-height: normal;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  text-align: center;
+}
+
 
 .card:hover .card-glow {
   opacity: 0.15;