fix2

konabot/plugins/image_process/__init__.py

@@ -171,6 +171,20 @@ async def _(
         rframes.append(selected_frames[max(2, len(selected_frames) // 2)])
         rdur.append(20)
 
+    transparency_flag = False
+    for f in rframes:
+        if f.mode == "RGBA":
+            if any(pix < 255 for pix in f.getchannel("A").getdata()):
+                transparency_flag = True
+                break
+        elif f.mode == "P" and "transparency" in f.info:
+            transparency_flag = True
+            break
+
+    tf = {}
+    if transparency_flag:
+        tf['transparency'] = 0
+
     if rframes:
         rframes[0].save(
             output_img,
@@ -181,7 +195,7 @@ async def _(
             loop=0,
             optimize=False,
             disposal=2,
-            transparency=0,
+            **tf,
         )
     else:
         raise BotExceptionMessage("错误：没有可输出的帧")