diff --git a/scripts/create_tables.py b/scripts/create_tables.py
index 4030b5c..ff41e8d 100644
--- a/scripts/create_tables.py
+++ b/scripts/create_tables.py
@@ -205,13 +205,50 @@ CREATE TABLE IF NOT EXISTS pipeline_git_locks (
 
 
 def split_ddl(ddl):
-    """按分号分割 DDL，跳过注释行和空语句。"""
+    """按分号分割 DDL，跳过注释行和空语句。
+
+    引号感知：单引号字符串内的分号不作为分隔符（实测事故 2026-09-07：
+    llm_usage 的 COMMENT '记账状态(三态:...;仅status=SUCCEEDED...)' 注释含分号，
+    裸 split(';') 把 CREATE TABLE 拦腰截断 → 语法错误 → 该模块建表整段中止）。
+    """
     stmts = []
-    for raw in ddl.split(';'):
-        lines = [l for l in raw.split('\n') if not l.strip().startswith('--')]
-        s = '\n'.join(lines).strip()
-        if s:
-            stmts.append(s)
+    cur = []
+    in_str = False
+    i = 0
+    n = len(ddl)
+    while i < n:
+        ch = ddl[i]
+        if in_str:
+            cur.append(ch)
+            if ch == "'":
+                # '' 是转义的单引号，仍在串内
+                if i + 1 < n and ddl[i + 1] == "'":
+                    cur.append("'")
+                    i += 1
+                else:
+                    in_str = False
+            elif ch == '\\' and i + 1 < n:
+                # 反斜杠转义（MySQL 风格）
+                cur.append(ddl[i + 1])
+                i += 1
+        elif ch == "'":
+            in_str = True
+            cur.append(ch)
+        elif ch == ';':
+            raw = ''.join(cur)
+            lines = [l for l in raw.split('\n') if not l.strip().startswith('--')]
+            s = '\n'.join(lines).strip()
+            if s:
+                stmts.append(s)
+            cur = []
+        else:
+            cur.append(ch)
+        i += 1
+    raw = ''.join(cur)
+    lines = [l for l in raw.split('\n') if not l.strip().startswith('--')]
+    s = '\n'.join(lines).strip()
+    if s:
+        stmts.append(s)
     return stmts
 
 
@@ -357,11 +394,9 @@ async def main():
                     _llm_ddl = '\n'.join(
                         _l for _l in _f.read().splitlines() if not _l.strip().startswith('--'))
                 _n = 0
-                for _stmt in _llm_ddl.split(';'):
-                    _stmt = _stmt.strip()
-                    if _stmt:
-                        await sor.execute(_stmt, {})
-                        _n += 1
+                for _stmt in split_ddl(_llm_ddl):
+                    await sor.execute(_stmt, {})
+                    _n += 1
                 print(f'  tables: pipeline-llm ensured ({_n} statements, idempotent)')
             else:
                 print('  WARN: pkgs/pipeline-llm/mysql.ddl.sql not found (skip llm_ tables)')