diff --git a/backend/app/models/ci.py b/backend/app/models/ci.py
index bee009a..7d4cdcf 100644
--- a/backend/app/models/ci.py
+++ b/backend/app/models/ci.py
@@ -33,7 +33,7 @@ class PRReview(Base):
     created_at = Column(DateTime(timezone=True), server_default=func.now())
 
     # Relationships
-    project = relationship("Project", backref="pr_reviews")
+    project = relationship("Project", back_populates="pr_reviews")
     
     def __repr__(self):
         return f"<PRReview pr={self.pr_number} event={self.event_type}>"
diff --git a/backend/app/models/project.py b/backend/app/models/project.py
index 2b7c3ee..ddaec1b 100644
--- a/backend/app/models/project.py
+++ b/backend/app/models/project.py
@@ -36,6 +36,7 @@ class Project(Base):
     members = relationship("ProjectMember", back_populates="project", cascade="all, delete-orphan")
     tasks = relationship("AuditTask", back_populates="project", cascade="all, delete-orphan")
     agent_tasks = relationship("AgentTask", back_populates="project", cascade="all, delete-orphan")
+    pr_reviews = relationship("PRReview", back_populates="project", cascade="all, delete-orphan")
 
 class ProjectMember(Base):
     __tablename__ = "project_members"
diff --git a/backend/app/services/scanner.py b/backend/app/services/scanner.py
index be046f5..7041d0e 100644
--- a/backend/app/services/scanner.py
+++ b/backend/app/services/scanner.py
@@ -632,11 +632,17 @@ async def scan_repo_task(task_id: str, db_session_factory, user_config: dict = N
                     if not content or not content.strip():
                         print(f"⚠️ 文件内容为空，跳过: {file_info['path']}")
                         skipped_files += 1
+                        # 更新总文件数，因为该文件被跳过，不应计入总数
+                        task.total_files = max(0, task.total_files - 1)
+                        await db.commit()
                         continue
                     
                     if len(content) > settings.MAX_FILE_SIZE_BYTES:
                         print(f"⚠️ 文件太大，跳过: {file_info['path']}")
                         skipped_files += 1
+                        # 更新总文件数，因为该文件被跳过
+                        task.total_files = max(0, task.total_files - 1)
+                        await db.commit()
                         continue
                     
                     file_lines = content.split('\n')
@@ -711,13 +717,14 @@ async def scan_repo_task(task_id: str, db_session_factory, user_config: dict = N
                     consecutive_failures = 0  # 成功后重置
                     scanned_files += 1
                     
-                    # 更新进度
-                    task.scanned_files = scanned_files
+                    # 更新进度（成功 + 失败）
+                    processed_count = scanned_files + failed_files
+                    task.scanned_files = processed_count
                     task.total_lines = total_lines
                     task.issues_count = total_issues
                     await db.commit()
                     
-                    print(f"📈 任务 {task_id}: 进度 {scanned_files}/{len(files)} ({int(scanned_files/len(files)*100)}%)")
+                    print(f"📈 任务 {task_id}: 进度 {processed_count}/{task.total_files} ({int(processed_count/task.total_files*100) if task.total_files > 0 else 0}%)")
                     
                     # 请求间隔
                     await asyncio.sleep(llm_gap_ms / 1000)
@@ -725,6 +732,10 @@ async def scan_repo_task(task_id: str, db_session_factory, user_config: dict = N
                 except Exception as file_error:
                     failed_files += 1
                     consecutive_failures += 1
+                    # 失败也更新进度
+                    task.scanned_files = scanned_files + failed_files
+                    await db.commit()
+                    
                     # 打印详细错误信息
                     import traceback
                     print(f"❌ 分析文件失败 ({file_info['path']}): {file_error}")
@@ -763,12 +774,18 @@ async def scan_repo_task(task_id: str, db_session_factory, user_config: dict = N
             else:
                 task.status = "completed"
                 task.completed_at = datetime.now(timezone.utc)
+                # 最终显示的已扫描文件数为成功分析的文件数
                 task.scanned_files = scanned_files
                 task.total_lines = total_lines
                 task.issues_count = total_issues
                 task.quality_score = avg_quality_score
                 await db.commit()
-                print(f"✅ 任务 {task_id} 完成: 扫描 {scanned_files} 个文件, 发现 {total_issues} 个问题, 质量分 {avg_quality_score:.1f}")
+                
+                result_msg = f"✅ 任务 {task_id} 完成: 成功分析 {scanned_files} 个文件"
+                if failed_files > 0:
+                    result_msg += f", {failed_files} 个文件失败"
+                result_msg += f", 发现 {total_issues} 个问题, 质量分 {avg_quality_score:.1f}"
+                print(result_msg)
             task_control.cleanup_task(task_id)
 
         except Exception as e: