diff --git a/.claude/skills/list_user/references/user_mapping.json b/.claude/skills/list_user/references/user_mapping.json
index 2c33fc3..c3764f9 100644
--- a/.claude/skills/list_user/references/user_mapping.json
+++ b/.claude/skills/list_user/references/user_mapping.json
@@ -16,7 +16,7 @@
         },
         {
             "nickname": "傑 羅",
-            "formal_name": "羅傑",
+            "formal_name": "羅聖傑",
             "english_name": "Jie Luo",
             "team": "智能控制組",
             "department": "軟體部"
diff --git a/.claude/skills/project_hierarchy/project_manager.py b/.claude/skills/project_hierarchy/project_manager.py
index 71238bd..3dfb3ce 100644
--- a/.claude/skills/project_hierarchy/project_manager.py
+++ b/.claude/skills/project_hierarchy/project_manager.py
@@ -292,8 +292,17 @@ class ProjectManager:
             return None
         
         parent = self.hierarchy[project_id]['parent']
-        if parent:
-            return parent.get('identifier') if isinstance(parent, dict) else parent
+        if parent and isinstance(parent, dict):
+            parent_numeric_id = str(parent.get('id'))
+            if parent_numeric_id and parent_numeric_id != 'None':
+                # Find the project identifier for this numeric ID
+                for proj_id, proj_data in self.projects.items():
+                    if str(proj_data['id']) == parent_numeric_id:
+                        return proj_id
+        elif parent:
+            # Handle string parent (legacy format)
+            return parent
+        
         return None
     
     def get_full_path(self, project_id: str) -> List[str]:
@@ -383,6 +392,27 @@ class ProjectManager:
         names = [self.hierarchy.get(p, {}).get('name', p) for p in path]
         return ' > '.join(names)
     
+    def find_project_by_name(self, name: str) -> Optional[str]:
+        """
+        Find project identifier by exact name match (case-insensitive).
+        
+        Args:
+            name: Project name to search for
+        
+        Returns:
+            Project identifier or None if not found
+        """
+        if not self.projects:
+            self.fetch_projects()
+        
+        name_lower = name.lower().strip()
+        
+        for project_id, project in self.projects.items():
+            if project['name'].lower().strip() == name_lower:
+                return project_id
+        
+        return None
+    
     def search_projects(self, query: str) -> Dict:
         """
         Search projects by name or identifier.
diff --git a/.claude/skills/week_report_gen/generate_report.py b/.claude/skills/week_report_gen/generate_report.py
index 4461ec7..ce65843 100644
--- a/.claude/skills/week_report_gen/generate_report.py
+++ b/.claude/skills/week_report_gen/generate_report.py
@@ -240,17 +240,22 @@ def format_for_weekly_report(summary_df, user_manager=None, project_manager=None
         sub_project_name = None
         
         if project_manager:
-            # Normalize project name for lookup (lowercase, replace spaces with hyphens)
-            project_id = project.lower().replace(' ', '-')
-            parent_id = project_manager.get_parent(project_id)
+            # Try to find the project by exact name match
+            project_id = project_manager.find_project_by_name(project)
             
-            if parent_id:
-                # This is a sub-project
-                parent_info = project_manager.get_project(parent_id)
-                if parent_info:
-                    parent_project = parent_info['name']
-                    sub_project_name = project
-                    project_name = parent_project
+            if project_id:
+                parent_id = project_manager.get_parent(project_id)
+                
+                if parent_id:
+                    # This is a sub-project
+                    parent_info = project_manager.get_project(parent_id)
+                    if parent_info:
+                        parent_project = parent_info['name']
+                        sub_project_name = project
+                        project_name = parent_project
+            else:
+                # Project not found in hierarchy, log for debugging
+                pass
         
         report_data.append({
             '專案名稱': project_name,
diff --git a/AGENTS.md b/AGENTS.md
new file mode 100644
index 0000000..6c32e16
--- /dev/null
+++ b/AGENTS.md
@@ -0,0 +1,3 @@
+# AGENTS.md
+
+always read `README.md` for instructions on how to run the code first.