udpate

public/index.php

@@ -64,7 +64,7 @@ function show_index()
         <input type="file" class="input-file" id="file" name="file" style="display: none" multiple="multiple" accept="image/png, image/jpeg, image/jpg, image/gif">
     </form>
 
-    <div class="grid grid-cols-1 w-full space-y-10">
+    <div class="grid grid-cols-1 w-full space-y-5">
 
         <div>
             <div class="text-2xl w-full">1.选择图片&上传</div>
@@ -73,6 +73,8 @@ function show_index()
                 <button class="h-10 w-20 bg-red-300" id="choosePic">选择图片</button>
                 <button class="h-10 w-20 bg-blue-300" id="submitBtn">开始上传</button>
             </div>
+
+            <div class="text-red-500">！！！文件大小不能超过5MB.</div>
         </div>
 
         <div>