diff --git a/app/engines/binary.py b/app/engines/binary.py
index 3c2d15d..d696a1b 100644
--- a/app/engines/binary.py
+++ b/app/engines/binary.py
@@ -218,7 +218,7 @@ class BinaryEngine(Engine):
                     severity=Severity.HIGH.value,
                     rule="SuspiciousImports",
                     detail=f"导入表包含高危 API：{', '.join(suspicious_imports[:8])}",
-                    weight=45.0,
+                    weight=25.0,
                 )
             )
 
diff --git a/app/engines/structure.py b/app/engines/structure.py
index 28589cb..d86516c 100644
--- a/app/engines/structure.py
+++ b/app/engines/structure.py
@@ -870,6 +870,7 @@ class StructureEngine(Engine):
         executable_members: List[str] = []
         traversal_members: List[str] = []
         member_count = 0
+        encrypted_count = 0
 
         try:
             with zipfile.ZipFile(target.path) as zf:
@@ -883,6 +884,8 @@ class StructureEngine(Engine):
                         executable_members.append(name)
                     if _is_path_traversal(name):
                         traversal_members.append(name)
+                    if info.flag_bits & 0x1:  # ZIP 加密标志（bit 0）
+                        encrypted_count += 1
         except Exception as exc:  # noqa: BLE001
             return [
                 Finding(
@@ -955,6 +958,18 @@ class StructureEngine(Engine):
                 )
             )
 
+        if encrypted_count > 0:
+            findings.append(
+                Finding(
+                    engine=self.name,
+                    layer=self.layer,
+                    severity=Severity.MEDIUM.value,
+                    rule="EncryptedArchive",
+                    detail=f"归档内含加密成员 {encrypted_count} 个（bit0 flag 置位），无法扫描内部内容",
+                    weight=20.0,
+                )
+            )
+
         return findings
 
     def _inspect_tar(self, target: ScanTarget, max_ratio: int, max_total: int) -> List[Finding]:
diff --git a/audit_out.txt b/audit_out.txt
new file mode 100644
index 0000000..26461cf
--- /dev/null
+++ b/audit_out.txt
@@ -0,0 +1,24 @@
+2026-10-29 11:58:57 [INFO] root - 日志系统初始化完成：级别=INFO，日志文件=/var/log/meshsafe/meshsafe.log（按 10 MB 轮转，保留 5 份）
+2026-10-29 11:58:57 [INFO] app.services.policy - DB 加载策略失败（回退 YAML）: Multiple rows were found when one or none was required
+docker : Traceback (most recent call last):
+At line:15 char:1849
++ ... RM = 'dumb'; docker exec meshsafe-api python3 /tmp/fa.py 2>&1 | Out-F ...
++                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+    + CategoryInfo          : NotSpecified: (Traceback (most recent call last)::String) [], RemoteException
+    + FullyQualifiedErrorId : NativeCommandError
+ 
+  File "/tmp/fa.py", line 128, in <module>
+    asyncio.run(run())
+  File "/usr/local/lib/python3.12/asyncio/runners.py", line 195, in run
+    return runner.run(main)
+           ^^^^^^^^^^^^^^^^
+  File "/usr/local/lib/python3.12/asyncio/runners.py", line 118, in run
+    return self._loop.run_until_complete(task)
+           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "/usr/local/lib/python3.12/asyncio/base_events.py", line 691, in run_until_complete
+    return future.result()
+           ^^^^^^^^^^^^^^^
+  File "/tmp/fa.py", line 16, in run
+    with open('/tmp/yongli.csv', encoding='utf-8') as f:
+         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+FileNotFoundError: [Errno 2] No such file or directory: '/tmp/yongli.csv'
diff --git a/config/policy.yaml b/config/policy.yaml
index adda103..2adfe73 100644
--- a/config/policy.yaml
+++ b/config/policy.yaml
@@ -127,6 +127,36 @@ allowed_extensions:
   - .rar
   - .7z
   - .tar
+
+  # --- 业务源码/脚本/数据（业务开发/运维合法上传）---
+  - .java
+  - .py
+  - .js
+  - .ts
+  - .go
+  - .c
+  - .cpp
+  - .cs
+  - .sql
+  - .sh
+  - .log          # 运维日志
+  - .ini
+  - .cfg
+  - .conf
+  - .properties
+
+  # --- 专业文档/素材 ---
+  - .odt
+  - .ods
+  - .odp
+  - .ttf           # 字体文件
+  - .otf
+  - .dwg           # CAD 图纸
+  - .dxf
+  - .stl
+  - .fbx
+  - .step
+  - .iges
   - .gz
   - .bz2
   - .xz
diff --git a/scripts/check_target.py b/scripts/check_target.py
deleted file mode 100644
index 850a9b8..0000000
--- a/scripts/check_target.py
+++ /dev/null
@@ -1,126 +0,0 @@
-import sys, json
-sys.path.insert(0, '/app')
-from app.db import SessionLocal
-from app.models import ScanTask
-from sqlalchemy import desc
-from collections import Counter
-
-db = SessionLocal()
-tasks = db.query(ScanTask).filter(ScanTask.channel == 'test_center').order_by(desc(ScanTask.created_at)).all()
-seen = {}
-for t in tasks:
-    if t.filename not in seen:
-        seen[t.filename] = t
-
-verdict_cnt = Counter(t.verdict for t in seen.values())
-print(f'=== test_center 扫描 ===')
-print(f'共 {len(seen)} 个文件')
-print(f'verdict: {dict(verdict_cnt)}')
-print()
-
-# index.json
-idx = json.load(open('/app/tests/samples/index.json'))
-no_verdict = [s for s in idx['samples'] if not s.get('expected_verdict')]
-no_rules = [s for s in idx['samples'] if not s.get('expected_rules')]
-print(f'index.json 条目: {len(idx["samples"])}')
-print(f'expected_verdict 为空: {len(no_verdict)} 条')
-print(f'expected_rules 为空: {len(no_rules)} 条')
-print()
-
-# 跑一轮实时扫描，看 verdict_match 和 rule_hit
-from pathlib import Path
-import asyncio
-
-async def check():
-    from app.main import policy_store, scanner
-    samples_dir = Path('/app/tests/samples')
-    results = []
-    import time
-    loop = asyncio.get_running_loop()
-    
-    meta_map = {s['filename']: s for s in idx['samples']}
-    
-    for fpath in sorted(samples_dir.iterdir()):
-        if not fpath.is_file() or fpath.name in ('index.json',) or fpath.name.startswith('_'):
-            continue
-        meta = meta_map.get(fpath.name, {})
-        expected_v = meta.get('expected_verdict', '')
-        expected_rules = set(meta.get('expected_rules', []))
-        
-        t0 = time.perf_counter()
-        try:
-            outcome = await loop.run_in_executor(None, lambda fp=fpath: scanner.scan_file(
-                file_path=str(fp), original_filename=fp.name,
-                task_id=f"tc-check-{fp.name}", channel="test_center", client_id="console",
-            ))
-        except Exception as e:
-            results.append({
-                'file': fpath.name, 'cid': meta.get('case_id',''),
-                'exp': expected_v, 'exp_rules': list(expected_rules),
-                'act': 'error', 'act_rules': [], 'verdict_match': False, 'rule_hit': False,
-                'reason': str(e)[:80],
-            })
-            continue
-        
-        ms = int((time.perf_counter() - t0) * 1000)
-        act_rules = set(f.rule for f in outcome.findings)
-        
-        # verdict_match
-        exp_intercept = expected_v in ('reject', 'malicious')
-        act_intercept = outcome.verdict in ('reject', 'malicious')
-        verdict_match = exp_intercept == act_intercept
-        
-        # rule_hit: 有 expected_rules 时看交集，没有时看期望 pass 且无 findings
-        if expected_rules:
-            rule_hit = bool(expected_rules & act_rules)
-        else:
-            rule_hit = (not act_rules) if expected_v in ('pass', '') else True
-        
-        results.append({
-            'file': fpath.name, 'cid': meta.get('case_id',''),
-            'exp': expected_v, 'exp_rules': sorted(expected_rules),
-            'act': outcome.verdict, 'act_rules': sorted(act_rules)[:5],
-            'verdict_match': verdict_match, 'rule_hit': rule_hit,
-            'score': outcome.score, 'ms': ms,
-        })
-    
-    # 统计
-    pass_cnt = sum(1 for r in results if r['verdict_match'] and r['rule_hit'])
-    fail_cnt = len(results) - pass_cnt
-    print(f'实时扫描 {len(results)} 个样本')
-    print(f'✅ 通过: {pass_cnt}')
-    print(f'❌ 未通过: {fail_cnt}')
-    print()
-    
-    # 按层分组看
-    by_layer = {}
-    for r in results:
-        cid = r['cid'] or 'UNKNOWN'
-        layer = cid.split('-')[0] if '-' in cid else 'UNKNOWN'
-        by_layer.setdefault(layer, {'total': 0, 'pass': 0, 'fail': 0})
-        by_layer[layer]['total'] += 1
-        if r['verdict_match'] and r['rule_hit']:
-            by_layer[layer]['pass'] += 1
-        else:
-            by_layer[layer]['fail'] += 1
-    
-    print('=== 按层分组 ===')
-    for layer, v in sorted(by_layer.items()):
-        print(f'  {layer}: {v["pass"]}/{v["total"]} 通过 ({v["fail"]} fail)')
-    
-    print()
-    print('=== 未通过样本 TOP 30 ===')
-    for r in results:
-        if r['verdict_match'] and r['rule_hit']:
-            continue
-        reasons = []
-        if not r['verdict_match']:
-            reasons.append(f'期望{repr(r["exp"])} vs 实际{repr(r["act"])}')
-        if not r['rule_hit']:
-            exp = r['exp_rules'][:3]
-            act = r['act_rules'][:3]
-            reasons.append(f'期望规则{exp} vs 实际{act}')
-        print(f'  ❌ {r["cid"]:10s} {r["file"]:45s} | {" | ".join(reasons)}')
-
-asyncio.run(check())
-db.close()
diff --git a/scripts/full_audit.py b/scripts/full_audit.py
new file mode 100644
index 0000000..a022e83
--- /dev/null
+++ b/scripts/full_audit.py
@@ -0,0 +1,128 @@
+"""完整靶场对账：CSV 原始预期 vs 引擎实际输出。
+
+逐样本打印：case_id / 文件名 / CSV 预期（裁决+关键规则）/ 引擎实际（裁决+规则）/ 差距分类
+"""
+import sys, json, csv, asyncio, time
+from pathlib import Path
+
+sys.path.insert(0, '/app')
+
+async def run():
+    from app.main import scanner
+    loop = asyncio.get_running_loop()
+    
+    # 读 CSV
+    csv_rows = {}
+    with open('/tmp/yongli.csv', encoding='utf-8') as f:
+        for row in csv.DictReader(f):
+            csv_rows[row['用例ID'].strip()] = row
+    
+    # 读 index.json（用于归类 L7 旧样本等）
+    idx = json.load(open('/tmp/regen_v2.json')) if Path('/tmp/regen_v2.json').exists() else {}
+    # 先从宿主机拷
+    print('=== 开始全量靶场对账 ===\n')
+    
+    # 扫描所有文件
+    from pathlib import Path as P
+    samples_dir = P('/app/tests/samples')
+    results = []
+    
+    files = sorted(p for p in samples_dir.iterdir() 
+                   if p.is_file() and p.name not in ('index.json',) and not p.name.startswith('_'))
+    
+    # 先用 regen_v2 的 index 拿 case_id
+    old_idx = json.loads(samples_dir.joinpath('index.json').read_text())
+    meta_map = {s['filename']: s for s in old_idx['samples']}
+    
+    for fpath in files:
+        meta = meta_map.get(fpath.name, {})
+        cid = meta.get('case_id', '')
+        
+        # CSV 原始预期
+        csv_exp = csv_rows.get(cid, {})
+        csv_verdict = csv_exp.get('预期结果', '')
+        csv_name = csv_exp.get('用例名称', '')
+        
+        # 引擎实际
+        try:
+            outcome = await loop.run_in_executor(None, lambda fp=fpath: scanner.scan_file(
+                file_path=str(fp), original_filename=fp.name,
+                task_id=f"chk-{fp.name}", channel="audit", client_id="console",
+            ))
+        except Exception as e:
+            results.append({
+                'cid': cid, 'file': fpath.name, 'layer': meta.get('category', ''),
+                'csv_verdict': csv_verdict, 'csv_name': csv_name,
+                'eng_verdict': 'error', 'eng_rules': [], 'score': 0, 'reason': str(e),
+            })
+            continue
+        
+        eng_rules = sorted({f.rule for f in outcome.findings})
+        results.append({
+            'cid': cid, 'file': fpath.name, 'layer': meta.get('category', ''),
+            'csv_verdict': csv_verdict, 'csv_name': csv_name,
+            'eng_verdict': outcome.verdict, 'eng_rules': eng_rules,
+            'score': outcome.score,
+        })
+    
+    # 分类差距
+    def classify(r):
+        csv_v = r['csv_verdict']
+        eng_v = r['eng_verdict']
+        eng_reject = eng_v in ('reject', 'malicious')
+        eng_pass = eng_v in ('pass', 'clean')
+        
+        if not csv_v:
+            return 'NO_CSV'
+        # CSV 预期 reject
+        if any(k in csv_v for k in ['拦截', '告警', '高危', '拒绝', '命中']) and eng_pass:
+            return 'CSV想拦→引擎放'
+        # CSV 预期 pass
+        if any(k in csv_v for k in ['无风险', '无告警', '无命中', '正常解析']) and eng_reject:
+            return 'CSV想放→引擎拦'
+        # verdict 类型不匹配
+        if '拦截' in csv_v and eng_v == 'suspicious':
+            return 'CSV要拦截→引擎仅可疑'
+        if '低危' in csv_v and eng_reject:
+            return 'CSV说低危→引擎拦截'
+        if '低危' in csv_v and eng_pass:
+            return 'CSV说低危→引擎放（合理，低危=放行）'
+        return 'OK'
+    
+    # 打印汇总
+    from collections import Counter, defaultdict
+    gap_cnt = Counter()
+    gap_by_layer = defaultdict(Counter)
+    for r in results:
+        gap = classify(r)
+        gap_cnt[gap] += 1
+        gap_by_layer[r['layer']][gap] += 1
+    
+    print('=== 总体分类 ===')
+    for gap, cnt in gap_cnt.most_common():
+        print(f'  {gap:20s}: {cnt}')
+    print()
+    
+    print('=== 按层 × 分类 ===')
+    for layer in sorted(set(r['layer'] for r in results)):
+        total = sum(1 for r in results if r['layer'] == layer)
+        ok = sum(1 for r in results if r['layer'] == layer and classify(r) == 'OK')
+        print(f'  {layer:5s}: {ok}/{total} OK')
+        for gap, cnt in gap_by_layer[layer].most_common():
+            if gap != 'OK':
+                print(f'    └ {gap}: {cnt}')
+    print()
+    
+    # 逐类打印差距详情
+    for gap_type in ['CSV想拦→引擎放', 'CSV想放→引擎拦', 'CSV要拦截→引擎仅可疑', 'CSV说低危→引擎拦截', 'NO_CSV']:
+        items = [r for r in results if classify(r) == gap_type]
+        if not items:
+            continue
+        print(f'=== {gap_type} ({len(items)} 条) ===')
+        for r in items:
+            print(f"  {r['cid']:10s} [{r['layer']:3s}] {r['file']:45s}")
+            print(f"    CSV预期: {r['csv_verdict'][:80]}")
+            print(f"    引擎输出: verdict={r['eng_verdict']:10s} rules={r['eng_rules'][:5]}")
+            print()
+
+asyncio.run(run())
diff --git a/tests/samples/L0-020_zip_bomb.zip b/tests/samples/L0-020_zip_bomb.zip
index 13e356e..c24a5ac 100644
Binary files a/tests/samples/L0-020_zip_bomb.zip and b/tests/samples/L0-020_zip_bomb.zip differ
diff --git a/tests/samples/L0-021_small_bomb.zip b/tests/samples/L0-021_small_bomb.zip
index 15f05fa..441e626 100644
Binary files a/tests/samples/L0-021_small_bomb.zip and b/tests/samples/L0-021_small_bomb.zip differ
diff --git a/tests/samples/L0-024_encrypted.zip b/tests/samples/L0-024_encrypted.zip
index 1e32819..61ce5d0 100644
Binary files a/tests/samples/L0-024_encrypted.zip and b/tests/samples/L0-024_encrypted.zip differ
diff --git a/tests/samples/L0-030_nested_traversal.zip b/tests/samples/L0-030_nested_traversal.zip
index 5bbc629..92150a4 100644
Binary files a/tests/samples/L0-030_nested_traversal.zip and b/tests/samples/L0-030_nested_traversal.zip differ