diff --git a/.claude/skills/parse-book/scripts/parse_health.py b/.claude/skills/parse-book/scripts/parse_health.py
index b9a051c..574398f 100644
--- a/.claude/skills/parse-book/scripts/parse_health.py
+++ b/.claude/skills/parse-book/scripts/parse_health.py
@@ -136,8 +136,10 @@ def sec_health(conn):
         for v in (fields or {}).values():
             if not isinstance(v, list):
                 continue
-            bodies = [pref_re.sub("", str(x)) for x in v]
-            n_tail += sum(1 for x in v if tail_re.search(str(x).rstrip()))
+            # 演变历程现在是结构化对象数组；只扫描字符串数组，避免 dict 的 repr 末尾 `}` 被误报为残渣。
+            text_values = [x for x in v if isinstance(x, str)]
+            bodies = [pref_re.sub("", x) for x in text_values]
+            n_tail += sum(1 for x in text_values if tail_re.search(x.rstrip()))
             n_pref += sum(1 for i, a in enumerate(bodies) if len(a) > 80 and any(
                 j != i and b.startswith(a) and len(b) > len(a) for j, b in enumerate(bodies)))
     lines.append(f"  升格卡尾部残渣：{n_tail}{'  ⚠' if n_tail else ' ✓'}")