diff --git a/konabot/plugins/fx_process/__init__.py b/konabot/plugins/fx_process/__init__.py
index 9da8af1..ff3bf33 100644
--- a/konabot/plugins/fx_process/__init__.py
+++ b/konabot/plugins/fx_process/__init__.py
@@ -95,6 +95,8 @@ def handle_filters_to_image(images: list[Image.Image], filters: list[FilterItem]
             img_signal_count = 1 # 从 images[1] 开始取图像
             for arg in func_args:
                 if isinstance(arg, ImageRequireSignal):
+                    if img_signal_count >= len(images):
+                        raise BotExceptionMessage("图像数量不足，无法满足滤镜需求！")
                     actual_args.append(images[img_signal_count])
                     img_signal_count += 1
                 else: