diff --git a/konabot/plugins/simple_notify/__init__.py b/konabot/plugins/simple_notify/__init__.py
index ec57455..3dba19a 100644
--- a/konabot/plugins/simple_notify/__init__.py
+++ b/konabot/plugins/simple_notify/__init__.py
@@ -38,32 +38,27 @@ def parse_chinese_or_digit(s: str) -> int:
 
     s = s.replace("两", "二")
 
-    chinese_digits = {
-        '一': 1, '二': 2, '三': 3, '四': 4, '五': 5,
-        '六': 6, '七': 7, '八': 8, '九': 9, '十': 10
+    chinese_to_arabic = {
+        '零': 0, '一': 1, '二': 2, '三': 3, '四': 4,
+        '五': 5, '六': 6, '七': 7, '八': 8, '九': 9,
+        '十': 10
     }
 
-    if s in chinese_digits:
-        return chinese_digits[s]
+    if s in chinese_to_arabic:
+        return chinese_to_arabic[s]
 
     if len(s) == 2 and s[0] == '十':
-        if s[1] in chinese_digits:
-            return 10 + chinese_digits[s[1]] - 1  # e.g., "十一" = 10 + 1 = 11
-
-    try:
-        chinese_to_arabic = {
-            '零': 0, '一': 1, '二': 2, '三': 3, '四': 4,
-            '五': 5, '六': 6, '七': 7, '八': 8, '九': 9,
-            '十': 10
-        }
-
-        if s in chinese_to_arabic:
-            return chinese_to_arabic[s]
-
-        if len(s) == 2 and s[0] == '十' and s[1] in chinese_to_arabic:
-            return 10 + chinese_to_arabic[s[1]]
-    except (ValueError, KeyError):
-        pass
+        if s[1] not in chinese_to_arabic:
+            return -1
+        return 10 + chinese_to_arabic.get(s[1], 0)
+    elif len(s) == 2 and s[1] == '十':
+        if s[0] not in chinese_to_arabic:
+            return -1
+        return 10 * chinese_to_arabic.get(s[0], 0)
+    elif len(s) == 3 and s[1] == '十':
+        if s[0] not in chinese_to_arabic or s[2] not in chinese_to_arabic:
+            return -1
+        return 10 * chinese_to_arabic.get(s[0], 0) + chinese_to_arabic.get(s[2], 0)
 
     try:
         return int(s)