diff --git a/resource/tasks/tasks.json b/resource/tasks/tasks.json
index 83a44ae24e..ddfe41ba84 100644
--- a/resource/tasks/tasks.json
+++ b/resource/tasks/tasks.json
@@ -709,6 +709,7 @@
             ["^c(?!ast)", ""],
             ["^\\^一", ""],
             ["^_(?=.)", ""],
+            ["^_$", ""],
             [".*弦惊.*", "“弦惊”"],
             [".*亚梅塔", "菲亚梅塔"],
             [".*逍遥.*", "“逍遥”"],