From 8071a14e22b392102852a381ec52b53b3b6330cc Mon Sep 17 00:00:00 2001
From: amzxyz <rcm@qq.com>
Date: Sun, 11 Jan 2026 20:09:48 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E9=A6=96=E9=80=89=E6=A0=BC=E5=BC=8F?=
 =?UTF-8?q?=E5=8C=96=E6=94=AF=E6=8C=81=E8=BF=9E=E7=BB=AD=E5=AD=97=E7=AC=A6?=
 =?UTF-8?q?=E7=9A=84=E7=AE=80=E5=86=99?=
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Content-Transfer-Encoding: 8bit

---
 custom_phrase.txt    |  7 +++---
 lua/super_filter.lua | 55 +++++++++++++++++++++++++++-----------------
 2 files changed, 38 insertions(+), 24 deletions(-)

diff --git a/custom_phrase.txt b/custom_phrase.txt
index 99fd0a9..fb47608 100644
--- a/custom_phrase.txt
+++ b/custom_phrase.txt
@@ -1,3 +1,4 @@
-#给自定义用户词扩展一个换行:\n, 制表符：\t, 回车符：\r, 空格：\s
-吧	b	50
-静夜思\n\s\s李白\n床前明月光\n疑似地上霜\n举头望明月\n低头思故乡	jys	50
+#给自定义用户词扩展一个换行:\n, 制表符：\t, 空格：\s, 看不到的零宽空格\z
+#连续多个前面的字符：{3}， 恢复自身：\{
+吧	b	5
+静夜思\n\s{3}李白\n床前明月光\n疑似地上霜\n举头望明月\n低头思故乡	jys	5
diff --git a/lua/super_filter.lua b/lua/super_filter.lua
index eeeb178..8170d61 100644
--- a/lua/super_filter.lua
+++ b/lua/super_filter.lua
@@ -85,40 +85,53 @@ local function is_english_candidate(cand)
     return true
 end
 
---  文本格式化（转义 + 自动大写）
+--  文本格式化 (精简版：仅保留转义与重复)
 local escape_map = {
-    ["\\n"] = "\n", ["\\t"] = "\t", ["\\r"] = "\r",
-    ["\\\\"] = "\\", ["\\s"] = " ", ["\\d"] = "-",
+    ["\\n"] = "\n",            -- 换行
+    ["\\r"] = "\r",            -- 回车
+    ["\\t"] = "\t",            -- 制表符
+    ["\\s"] = " ",             -- 空格
+    ["\\z"] = "\226\128\139",  -- 零宽空格 (隐形阻断符)
 }
-local esc_pattern = "\\[ntrsd\\\\]"
+
+local utf8_char_pattern = "[%z\1-\127\194-\244][\128-\191]*"
 
 local function apply_escape_fast(text)
-    if not text or find(text, "\\", 1, true) == nil then return text, false end
-    local new_text = gsub(text, esc_pattern, function(esc) return escape_map[esc] or esc end)
+    -- 快速预检
+    if not text or (not find(text, "\\", 1, true) and not find(text, "{", 1, true)) then 
+        return text, false 
+    end
+
+    local new_text = text
+    if find(new_text, "\\{", 1, true) then
+        new_text = gsub(new_text, "\\{", "\1")
+    end
+    if find(new_text, "\\", 1, true) then
+        new_text = gsub(new_text, "\\[ntrsz]", escape_map)
+    end
+    if find(new_text, "{", 1, true) then
+        new_text = gsub(new_text, "(" .. utf8_char_pattern .. ")%{(%d+)}", function(char, count)
+            local n = tonumber(count)
+            if n and n > 0 and n < 200 then
+                return string.rep(char, n)
+            end
+            return char .. "{" .. count .. "}"
+        end)
+    end
+    if find(new_text, "\1", 1, true) then
+        new_text = gsub(new_text, "\1", "{")
+    end
     return new_text, new_text ~= text
 end
-
 local function format_and_autocap(cand)
     local text = cand.text
     if not text or text == "" then return cand end
-    local changed = false
-    -- 转义替换 (\n, \t, \s 等)
-    -- 必须先处理转义，因为转义可能会改变字符串开头 (如 \sApple -> Apple)
-    if find(text, "\\", 1, true) then
-        local t2, ch = apply_escape_fast(text)
-        if ch then 
-            text = t2
-            changed = true
-        end
-    end
-    -- 输出结果
+    local t2, changed = apply_escape_fast(text)
     if not changed then return cand end
-    
-    local nc = Candidate(cand.type, cand.start, cand._end, text, cand.comment)
+    local nc = Candidate(cand.type, cand.start, cand._end, t2, cand.comment)
     nc.preedit = cand.preedit
     return nc
 end
-
 local function clone_candidate(c)
     local nc = Candidate(c.type, c.start, c._end, c.text, c.comment)
     nc.preedit = c.preedit