diff --git a/backend/demo/src/main/resources/META-INF/additional-spring-configuration-metadata.json b/backend/demo/src/main/resources/META-INF/additional-spring-configuration-metadata.json
new file mode 100644
index 0000000..cf06b61
--- /dev/null
+++ b/backend/demo/src/main/resources/META-INF/additional-spring-configuration-metadata.json
@@ -0,0 +1,5 @@
+{"properties": [{
+  "name": "file.upload-dir",
+  "type": "java.lang.String",
+  "description": "Torrent dir for uploading'"
+}]}
\ No newline at end of file
diff --git a/backend/demo/src/main/resources/application.properties b/backend/demo/src/main/resources/application.properties
index 4472028..9bbb45b 100644
--- a/backend/demo/src/main/resources/application.properties
+++ b/backend/demo/src/main/resources/application.properties
@@ -1,5 +1,5 @@
 # ========== 数据源 ==========
-spring.datasource.url=jdbc:mysql://mysql:3306/mydatabase?serverTimezone=Asia/Shanghai
+spring.datasource.url=jdbc:mysql://mysql:3306/mydatabase?serverTimezone=Asia/Shanghai&createDatabaseIfNotExist=TRUE&useSSL=FALSE&allowPublicKeyRetrieval=TRUE
 spring.datasource.username=myuser
 spring.datasource.password=secret
 spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
@@ -10,3 +10,6 @@
 
 # ========== 日志输出（可选） ==========
 logging.level.org.springframework.security=DEBUG
+
+file.upload-dir=./torrents
+