diff --git a/t9.schema.yaml b/t9.schema.yaml
index 974ec41..722e3e6 100644
--- a/t9.schema.yaml
+++ b/t9.schema.yaml
@@ -52,11 +52,23 @@ engine:
     - lua_translator@*date_translator # 时间、日期、星期
     - table_translator@custom_phrase # 自定义短语 custom_phrase_t9.txt
     # - table_translator@melt_eng     # 英文输入
+    - lua_translator@*calc_translator    # 计算器
+    - lua_translator@*force_gc           # 暴力 GC
   filters:
     - simplifier@emoji # Emoji
     - simplifier@traditionalize # 简繁切换
     - uniquifier # 去重
 
+calculator:
+  prefix: =
+  show_prefix: true
+
+# 处理符合特定规则的输入码，如网址、反查
+recognizer:
+  import_preset: default                # 从 default.yaml 继承通用的
+  patterns:                             # 再增加方案专有的：
+    calculator: "^=.+"                 # 响应 lua_translator@*calc_translator，计算器。前缀设定项 calculator/prefix
+
 translator:
   prism: t9
   spelling_hints: 100
@@ -85,8 +97,8 @@ key_binder:
     - { when: has_menu, accept: 1, send: apostrophe }
 
 speller:
-  alphabet: zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA9876543210
-  initials: zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA9876543210
+  alphabet: zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA9876543210=
+  initials: zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA9876543210=
   algebra:
     # ### 超级简拼
     - abbrev/^([a-z]).+$/$1/ # 超级简拼