修改bug

Assets/Scripts/Utils/Utils.cs

@@ -438,5 +438,16 @@ namespace Assets.Scripts
             }
         }
         /*下载文件*/
+        public static void DisplayHead(RawImage raw, string s) 
+        {
+            if (string.IsNullOrEmpty(s))
+            {
+                raw.texture = Resources.Load<Texture>("Images/icon-1024");
+            }
+            else 
+            {
+                DisplayImage(raw, s);
+            }
+        }
     }
 }