fix bugs

database/martial-db/debug_check.sql

@@ -0,0 +1,26 @@
+-- 调试检查脚本
+USE martial_db;
+
+-- 检查参赛者的project_id是否都有对应的项目
+SELECT
+    '检查参赛者项目关联' AS check_item,
+    a.id,
+    a.project_id,
+    a.player_name,
+    p.id AS project_exists,
+    p.project_name,
+    p.type AS project_type
+FROM martial_athlete a
+LEFT JOIN martial_project p ON a.project_id = p.id
+WHERE a.competition_id = 200
+LIMIT 10;
+
+-- 检查是否有参赛者的project_id为NULL或找不到对应项目
+SELECT
+    '检查异常数据' AS check_item,
+    COUNT(*) AS total_athletes,
+    SUM(CASE WHEN project_id IS NULL THEN 1 ELSE 0 END) AS null_project_id,
+    SUM(CASE WHEN p.id IS NULL THEN 1 ELSE 0 END) AS project_not_found
+FROM martial_athlete a
+LEFT JOIN martial_project p ON a.project_id = p.id
+WHERE a.competition_id = 200;