diff --git a/src/analysis/database_analyzer.py b/src/analysis/database_analyzer.py
index 5008ea8..b3889df 100644
--- a/src/analysis/database_analyzer.py
+++ b/src/analysis/database_analyzer.py
@@ -13,6 +13,8 @@ from .worker import analyze_single_file
 from ..core.scheduler import ParallelScheduler, ResourceConfig
 
 
+# 在 DatabaseReport 类中添加缺失的字段
+
 @dataclass
 class DatabaseReport:
     """数据库分析报告"""
@@ -42,7 +44,8 @@ class DatabaseReport:
     with_oxidation_states: int = 0
     without_oxidation_states: int = 0
     needs_expansion_count: int = 0
-    cation_partial_occupancy_count: int = 0
+    cation_with_vacancy_count: int = 0  # Li与空位共占位（新增）
+    cation_with_other_cation_count: int = 0  # Li与其他阳离子共占位（新增）
     anion_partial_occupancy_count: int = 0
     binary_compound_count: int = 0
     has_water_count: int = 0
@@ -57,26 +60,16 @@ class DatabaseReport:
     all_structures: List[StructureInfo] = field(default_factory=list)
     skip_reasons_summary: Dict[str, int] = field(default_factory=dict)
 
-    def to_dict(self) -> dict:
-        """转换为可序列化的字典"""
-        d = asdict(self)
-        d['target_anions'] = list(self.target_anions)
-        d['all_structures'] = [asdict(s) for s in self.all_structures]
-        return d
-
-    def save(self, path: str):
-        """保存报告"""
-        with open(path, 'w', encoding='utf-8') as f:
-            json.dump(self.to_dict(), f, indent=2, ensure_ascii=False)
-
-    @classmethod
-    def load(cls, path: str) -> 'DatabaseReport':
-        """加载报告"""
-        with open(path, 'r', encoding='utf-8') as f:
-            d = json.load(f)
-        d['target_anions'] = set(d['target_anions'])
-        d['all_structures'] = [StructureInfo(**s) for s in d['all_structures']]
-        return cls(**d)
+    # 扩胞相关统计（新增）
+    expansion_stats: Dict[str, int] = field(default_factory=lambda: {
+        'no_expansion_needed': 0,
+        'expansion_factor_2': 0,
+        'expansion_factor_3': 0,
+        'expansion_factor_4_8': 0,
+        'expansion_factor_large': 0,
+        'cannot_expand': 0,
+    })
+    expansion_factor_distribution: Dict[int, int] = field(default_factory=dict)
 
 
 class DatabaseAnalyzer:
@@ -220,76 +213,104 @@ class DatabaseAnalyzer:
         script_path = os.path.join(output_dir, "submit.sh")
         return self.scheduler.submit_slurm_job(script, script_path)
 
-    def _compute_statistics(self, report: DatabaseReport):
-        """计算统计数据"""
 
-        for info in report.all_structures:
-            if info.is_valid:
-                report.valid_files += 1
-            else:
-                report.invalid_files += 1
-                continue
+# 更新 _compute_statistics 方法
 
-            if not info.contains_target_cation:
-                continue
+def _compute_statistics(self, report: DatabaseReport):
+    """计算统计数据（含扩胞分析）"""
 
-            report.cation_containing_count += 1
+    for info in report.all_structures:
+        if info.is_valid:
+            report.valid_files += 1
+        else:
+            report.invalid_files += 1
+            continue
 
-            for anion in info.anion_types:
-                report.anion_distribution[anion] = \
-                    report.anion_distribution.get(anion, 0) + 1
+        if not info.contains_target_cation:
+            continue
 
-            if info.anion_mode == "single":
-                report.single_anion_count += 1
-            elif info.anion_mode == "mixed":
-                report.mixed_anion_count += 1
+        report.cation_containing_count += 1
 
-            # 根据阴离子模式过滤
-            if self.anion_mode == "single" and info.anion_mode != "single":
-                continue
-            if self.anion_mode == "mixed" and info.anion_mode != "mixed":
-                continue
-            if info.anion_mode == "none":
-                continue
+        for anion in info.anion_types:
+            report.anion_distribution[anion] = \
+                report.anion_distribution.get(anion, 0) + 1
 
-            # 各项统计
-            if info.has_oxidation_states:
-                report.with_oxidation_states += 1
-            else:
-                report.without_oxidation_states += 1
+        if info.anion_mode == "single":
+            report.single_anion_count += 1
+        elif info.anion_mode == "mixed":
+            report.mixed_anion_count += 1
 
+        # 根据阴离子模式过滤
+        if self.anion_mode == "single" and info.anion_mode != "single":
+            continue
+        if self.anion_mode == "mixed" and info.anion_mode != "mixed":
+            continue
+        if info.anion_mode == "none":
+            continue
+
+        # 各项统计
+        if info.has_oxidation_states:
+            report.with_oxidation_states += 1
+        else:
+            report.without_oxidation_states += 1
+
+        # Li共占位统计（修改）
+        if info.cation_with_vacancy:
+            report.cation_with_vacancy_count += 1
+        if info.cation_with_other_cation:
+            report.cation_with_other_cation_count += 1
+
+        if info.anion_has_partial_occupancy:
+            report.anion_partial_occupancy_count += 1
+        if info.is_binary_compound:
+            report.binary_compound_count += 1
+        if info.has_water_molecule:
+            report.has_water_count += 1
+        if info.has_radioactive_elements:
+            report.has_radioactive_count += 1
+
+        # 可处理性
+        if info.can_process:
             if info.needs_expansion:
-                report.needs_expansion_count += 1
-            if info.cation_has_partial_occupancy:
-                report.cation_partial_occupancy_count += 1
-            if info.anion_has_partial_occupancy:
-                report.anion_partial_occupancy_count += 1
-            if info.is_binary_compound:
-                report.binary_compound_count += 1
-            if info.has_water_molecule:
-                report.has_water_count += 1
-            if info.has_radioactive_elements:
-                report.has_radioactive_count += 1
-
-            # 可处理性
-            if info.can_process:
-                if info.needs_expansion:
-                    report.needs_preprocessing += 1
-                else:
-                    report.directly_processable += 1
+                report.needs_preprocessing += 1
             else:
-                report.cannot_process += 1
-                if info.skip_reason:
-                    for reason in info.skip_reason.split("; "):
-                        report.skip_reasons_summary[reason] = \
-                            report.skip_reasons_summary.get(reason, 0) + 1
+                report.directly_processable += 1
+        else:
+            report.cannot_process += 1
+            if info.skip_reason:
+                for reason in info.skip_reason.split("; "):
+                    report.skip_reasons_summary[reason] = \
+                        report.skip_reasons_summary.get(reason, 0) + 1
 
-        # 计算比例
-        if report.valid_files > 0:
-            report.cation_containing_ratio = \
-                report.cation_containing_count / report.valid_files
+        # 扩胞统计（新增）
+        exp_info = info.expansion_info
+        factor = exp_info.expansion_factor
 
-        if report.cation_containing_count > 0:
-            for anion, count in report.anion_distribution.items():
-                report.anion_ratios[anion] = \
-                    count / report.cation_containing_count
\ No newline at end of file
+        if not exp_info.needs_expansion:
+            report.expansion_stats['no_expansion_needed'] += 1
+        elif not exp_info.can_expand:
+            report.expansion_stats['cannot_expand'] += 1
+        elif factor == 2:
+            report.expansion_stats['expansion_factor_2'] += 1
+        elif factor == 3:
+            report.expansion_stats['expansion_factor_3'] += 1
+        elif 4 <= factor <= 8:
+            report.expansion_stats['expansion_factor_4_8'] += 1
+        else:
+            report.expansion_stats['expansion_factor_large'] += 1
+
+        # 详细分布
+        if exp_info.needs_expansion and exp_info.can_expand:
+            report.expansion_factor_distribution[factor] = \
+                report.expansion_factor_distribution.get(factor, 0) + 1
+            report.needs_expansion_count += 1
+
+    # 计算比例
+    if report.valid_files > 0:
+        report.cation_containing_ratio = \
+            report.cation_containing_count / report.valid_files
+
+    if report.cation_containing_count > 0:
+        for anion, count in report.anion_distribution.items():
+            report.anion_ratios[anion] = \
+                count / report.cation_containing_count
\ No newline at end of file
diff --git a/src/analysis/report_generator.py b/src/analysis/report_generator.py
index dd29ed1..0651409 100644
--- a/src/analysis/report_generator.py
+++ b/src/analysis/report_generator.py
@@ -59,12 +59,10 @@ class ReportGenerator:
             print(f"  缺化合价信息:         {report.without_oxidation_states:6d} "
                   f"({report.without_oxidation_states / total_target:.1%})")
             print()
-            print(f"  需扩胞处理:           {report.needs_expansion_count:6d} "
-                  f"({report.needs_expansion_count / total_target:.1%})")
-            print(f"  {report.target_cation}共占位(不可处理):  {report.cation_partial_occupancy_count:6d} "
-                  f"({report.cation_partial_occupancy_count / total_target:.1%})")
-            print(f"  阴离子共占位:         {report.anion_partial_occupancy_count:6d} "
-                  f"({report.anion_partial_occupancy_count / total_target:.1%})")
+            print(f"  {report.target_cation}与空位共占位(无需处理): {report.cation_with_vacancy_count:6d}")
+            print(f"  {report.target_cation}与阳离子共占位(需扩胞): {report.cation_with_other_cation_count:6d}")
+            print(f"  阴离子共占位:         {report.anion_partial_occupancy_count:6d}")
+            print(f"  需扩胞处理(总计):     {report.needs_expansion_count:6d}")
             print()
             print(f"  二元化合物:           {report.binary_compound_count:6d}")
             print(f"  含水分子:             {report.has_water_count:6d}")
@@ -83,7 +81,7 @@ class ReportGenerator:
         print(f"  📊 可处理总数:        {total_processable:6d}")
 
         # 跳过原因汇总
-        if report.skip_reasons_summary and detailed:
+        if report.skip_reasons_summary:
             print("\n" + "-" * 70)
             print("【5. 无法处理的原因统计】")
             print("-" * 70)
@@ -93,21 +91,16 @@ class ReportGenerator:
                 reverse=True
             )
             for reason, count in sorted_reasons:
-                print(f"  {reason:30s}: {count:6d}")
+                print(f"  {reason:35s}: {count:6d}")
 
-        print("\n" + "=" * 70)
-
-        # 扩胞分析（新增）
+        # 扩胞分析
         print("\n" + "-" * 70)
-        print("【5. 扩胞需求分析】")
+        print("【6. 扩胞需求分析】")
         print("-" * 70)
 
         exp = report.expansion_stats
-        total_processable = report.directly_processable + report.needs_preprocessing
-
         if total_processable > 0:
-            print(f"  无需扩胞:             {exp['no_expansion_needed']:6d} "
-                  f"({exp['no_expansion_needed'] / total_processable:.1%})")
+            print(f"  无需扩胞:             {exp['no_expansion_needed']:6d}")
             print(f"  扩胞因子=2:           {exp['expansion_factor_2']:6d}")
             print(f"  扩胞因子=3:           {exp['expansion_factor_3']:6d}")
             print(f"  扩胞因子=4~8:         {exp['expansion_factor_4_8']:6d}")
@@ -121,6 +114,8 @@ class ReportGenerator:
                 count = report.expansion_factor_distribution[factor]
                 bar = "█" * min(count, 30)
                 print(f"    {factor:3d}x: {count:5d} {bar}")
+
+        print("\n" + "=" * 70)
     @staticmethod
     def export_to_csv(report: DatabaseReport, output_path: str):
         """导出详细结果到CSV"""
diff --git a/src/analysis/structure_inspector.py b/src/analysis/structure_inspector.py
index 76535fa..58d9027 100644
--- a/src/analysis/structure_inspector.py
+++ b/src/analysis/structure_inspector.py
@@ -64,9 +64,10 @@ class StructureInfo:
     is_binary_compound: bool = False
 
     # 共占位详细分析（新增）
-    cation_has_partial_occupancy: bool = False  # 目标阳离子共占位
-    anion_has_partial_occupancy: bool = False  # 阴离子共占位
-    other_has_partial_occupancy: bool = False  # 其他元素共占位（需扩胞）
+    cation_with_vacancy: bool = False           # Li与空位共占位（不需处理）
+    cation_with_other_cation: bool = False      # Li与其他阳离子共占位（需扩胞）
+    anion_has_partial_occupancy: bool = False   # 阴离子共占位
+    other_has_partial_occupancy: bool = False   # 其他元素共占位（需扩胞）
     expansion_info: ExpansionInfo = field(default_factory=ExpansionInfo)
 
     # 可处理性
@@ -218,14 +219,17 @@ class StructureInspector:
                         continue
         return None
 
+    # 在 StructureInspector 类中，替换 _analyze_partial_occupancy 方法
+
     def _analyze_partial_occupancy(self, structure: Structure, info: StructureInfo):
         """
-        分析共占位情况（核心逻辑）
+        分析共占位情况（修正版）
 
         关键规则：
-        - 目标阳离子(Li)的共占位 → 不可处理
-        - 阴离子的共占位 → 需要扩胞，但通常不处理
-        - 其他阳离子的共占位 → 需要扩胞处理
+        - Li与空位共占位 → 不需要处理（cation_with_vacancy）
+        - Li与其他阳离子共占位 → 需要扩胞（cation_with_other_cation）
+        - 阴离子共占位 → 通常不处理
+        - 其他阳离子共占位 → 需要扩胞
         """
         occupancy_dict = defaultdict(list)  # {occupation: [site_indices]}
         occupancy_elements = {}  # {occupation: [elements]}
@@ -234,60 +238,118 @@ class StructureInspector:
             site_species = site.species
             species_string = str(site.species)
 
-            # 检查是否有多个物种占据同一位点
-            if len(site_species) > 1:
-                info.has_partial_occupancy = True
+            # 提取各元素及其占据率
+            species_occu = {}  # {element: occupancy}
+            for sp, occu in site_species.items():
+                elem = sp.symbol if hasattr(sp, 'symbol') else str(sp)
+                elem = self._get_element_from_species_string(elem)
+                if elem:
+                    species_occu[elem] = occu
 
-                # 提取各元素符号
-                elements_at_site = []
-                for sp in site_species.keys():
-                    elem = sp.symbol if hasattr(sp, 'symbol') else str(sp)
-                    elem = self._get_element_from_species_string(elem)
-                    if elem:
-                        elements_at_site.append(elem)
+            total_occupancy = sum(species_occu.values())
+            elements_at_site = list(species_occu.keys())
 
-                # 判断是否涉及目标阳离子
-                if self.target_cation in elements_at_site:
-                    info.cation_has_partial_occupancy = True
+            # 检查是否有部分占据
+            has_partial = any(occu < 1.0 for occu in species_occu.values()) or len(species_occu) > 1
 
+            if not has_partial:
+                continue
+
+            info.has_partial_occupancy = True
+
+            # 判断Li的共占位情况
+            if self.target_cation in elements_at_site:
+                li_occu = species_occu.get(self.target_cation, 0)
+                other_elements = [e for e in elements_at_site if e != self.target_cation]
+
+                if not other_elements and li_occu < 1.0:
+                    # Li与空位共占位（Li占据率<1，但没有其他元素）
+                    info.cation_with_vacancy = True
+                elif other_elements:
+                    # Li与其他元素共占位
+                    other_are_anions = all(e in self.target_anions for e in other_elements)
+                    if other_are_anions:
+                        # Li与阴离子共占位（罕见，标记为阴离子共占位）
+                        info.anion_has_partial_occupancy = True
+                    else:
+                        # Li与其他阳离子共占位 → 需要扩胞
+                        info.cation_with_other_cation = True
+
+                        # 记录需要扩胞的占据率（取非Li元素的占据率）
+                        for elem in other_elements:
+                            if elem not in self.target_anions:
+                                occu = species_occu.get(elem, 0)
+                                if occu > 0 and occu < 1.0:
+                                    occupancy_dict[occu].append(i)
+                                    occupancy_elements[occu] = elements_at_site
+            else:
+                # 不涉及Li的位点
                 # 判断是否涉及阴离子
                 if any(elem in self.target_anions for elem in elements_at_site):
                     info.anion_has_partial_occupancy = True
-
-                # 判断是否涉及其他元素（需要扩胞处理的情况）
-                other_elements = [e for e in elements_at_site
-                                 if e != self.target_cation and e not in self.target_anions]
-                if other_elements:
+                else:
+                    # 其他阳离子的共占位 → 需要扩胞
                     info.other_has_partial_occupancy = True
 
-                    # 获取占据率（取非目标阳离子的占据率）
-                    occu = self._get_occupancy_from_species_string(
-                        species_string,
-                        self.target_cation_variants
-                    )
-                    if occu is not None and occu != 1.0:
-                        occupancy_dict[occu].append(i)
-                        occupancy_elements[occu] = elements_at_site
-
-            # 检查单一物种的部分占据
-            for specie, occupancy in site_species.items():
-                if occupancy < 1.0:
-                    info.has_partial_occupancy = True
-                    elem = specie.symbol if hasattr(specie, 'symbol') else str(specie)
-                    elem = self._get_element_from_species_string(elem)
-
-                    if elem == self.target_cation:
-                        info.cation_has_partial_occupancy = True
-                    elif elem in self.target_anions:
-                        info.anion_has_partial_occupancy = True
-                    else:
-                        info.other_has_partial_occupancy = True
-                        occupancy_dict[occupancy].append(i)
-                        occupancy_elements[occupancy] = [elem]
+                    # 获取占据率
+                    for elem, occu in species_occu.items():
+                        if occu > 0 and occu < 1.0:
+                            occupancy_dict[occu].append(i)
+                            occupancy_elements[occu] = elements_at_site
+                            break  # 只记录一次
 
         # 计算扩胞信息
         self._calculate_expansion_info(info, occupancy_dict, occupancy_elements)
 
+    def _evaluate_processability(self, info: StructureInfo):
+        """评估可处理性（修正版）"""
+        skip_reasons = []
+
+        if not info.is_valid:
+            skip_reasons.append("无法解析CIF文件")
+
+        if not info.contains_target_cation:
+            skip_reasons.append(f"不含{self.target_cation}")
+
+        if info.anion_mode == "none":
+            skip_reasons.append("不含目标阴离子")
+
+        if info.is_binary_compound:
+            skip_reasons.append("二元化合物")
+
+        if info.has_radioactive_elements:
+            skip_reasons.append("含放射性元素")
+
+        # Li与空位共占位 → 不需要处理（不加入skip_reasons）
+        # info.cation_with_vacancy 不影响可处理性
+
+        # Li与其他阳离子共占位 → 需要扩胞（如果扩胞因子合理则可处理）
+        if info.cation_with_other_cation:
+            if info.expansion_info.can_expand:
+                info.needs_expansion = True
+            else:
+                skip_reasons.append(f"{self.target_cation}与其他阳离子共占位且{info.expansion_info.skip_reason}")
+
+        # 阴离子共占位 → 不处理
+        if info.anion_has_partial_occupancy:
+            skip_reasons.append("阴离子存在共占位")
+
+        if info.has_water_molecule:
+            skip_reasons.append("含水分子")
+
+        # 其他阳离子共占位（不涉及Li）→ 需要扩胞
+        if info.other_has_partial_occupancy:
+            if info.expansion_info.can_expand:
+                info.needs_expansion = True
+            else:
+                skip_reasons.append(info.expansion_info.skip_reason)
+
+        if skip_reasons:
+            info.can_process = False
+            info.skip_reason = "; ".join(skip_reasons)
+        else:
+            info.can_process = True
+
     def _calculate_expansion_info(
         self,
         info: StructureInfo,
diff --git a/src/analysis/worker.py b/src/analysis/worker.py
index 92ebe56..cd5bedc 100644
--- a/src/analysis/worker.py
+++ b/src/analysis/worker.py
@@ -5,7 +5,7 @@
 import os
 import pickle
 from typing import List, Tuple, Optional
-from dataclasses import asdict
+from dataclasses import asdict, fields
 
 from .structure_inspector import StructureInspector, StructureInfo
 
@@ -38,11 +38,68 @@ def analyze_single_file(args: Tuple[str, str, set]) -> Optional[StructureInfo]:
         )
 
 
+def structure_info_to_dict(info: StructureInfo) -> dict:
+    """
+    将 StructureInfo 转换为可序列化的字典
+    处理 set、dataclass 等特殊类型
+    """
+    result = {}
+    for field in fields(info):
+        value = getattr(info, field.name)
+
+        # 处理 set 类型
+        if isinstance(value, set):
+            result[field.name] = list(value)
+        # 处理嵌套的 dataclass (如 ExpansionInfo)
+        elif hasattr(value, '__dataclass_fields__'):
+            result[field.name] = asdict(value)
+        # 处理 list 中可能包含的 dataclass
+        elif isinstance(value, list):
+            result[field.name] = [
+                asdict(item) if hasattr(item, '__dataclass_fields__') else item
+                for item in value
+            ]
+        else:
+            result[field.name] = value
+
+    return result
+
+
+def dict_to_structure_info(d: dict) -> StructureInfo:
+    """
+    从字典恢复 StructureInfo 对象
+    """
+    from .structure_inspector import ExpansionInfo, OccupancyInfo
+
+    # 处理 set 类型字段
+    if 'elements' in d and isinstance(d['elements'], list):
+        d['elements'] = set(d['elements'])
+    if 'anion_types' in d and isinstance(d['anion_types'], list):
+        d['anion_types'] = set(d['anion_types'])
+    if 'target_anions' in d and isinstance(d['target_anions'], list):
+        d['target_anions'] = set(d['target_anions'])
+
+    # 处理 ExpansionInfo
+    if 'expansion_info' in d and isinstance(d['expansion_info'], dict):
+        exp_dict = d['expansion_info']
+
+        # 处理 OccupancyInfo 列表
+        if 'occupancy_details' in exp_dict:
+            exp_dict['occupancy_details'] = [
+                OccupancyInfo(**occ) if isinstance(occ, dict) else occ
+                for occ in exp_dict['occupancy_details']
+            ]
+
+        d['expansion_info'] = ExpansionInfo(**exp_dict)
+
+    return StructureInfo(**d)
+
+
 def batch_analyze(
-        file_paths: List[str],
-        target_cation: str,
-        target_anions: set,
-        output_file: str = None
+    file_paths: List[str],
+    target_cation: str,
+    target_anions: set,
+    output_file: str = None
 ) -> List[StructureInfo]:
     """
     批量分析文件（用于SLURM子任务）
@@ -77,12 +134,34 @@ def batch_analyze(
 
     # 保存结果
     if output_file:
+        serializable_results = [structure_info_to_dict(r) for r in results]
         with open(output_file, 'wb') as f:
-            pickle.dump([asdict(r) for r in results], f)
+            pickle.dump(serializable_results, f)
 
     return results
 
 
+def load_results(result_file: str) -> List[StructureInfo]:
+    """
+    从pickle文件加载结果
+    """
+    with open(result_file, 'rb') as f:
+        data = pickle.load(f)
+
+    return [dict_to_structure_info(d) for d in data]
+
+
+def merge_results(result_files: List[str]) -> List[StructureInfo]:
+    """
+    合并多个结果文件（用于汇总SLURM作业数组的输出）
+    """
+    all_results = []
+    for f in result_files:
+        if os.path.exists(f):
+            all_results.extend(load_results(f))
+    return all_results
+
+
 # 用于SLURM作业数组的命令行入口
 if __name__ == "__main__":
     import argparse