feat(user system): modifies the email address.

api/env.example

@@ -64,6 +64,9 @@ LANGCHAIN_ENDPOINT=
 # Generate a new one with: openssl rand -hex 32
 SECRET_KEY=your-secret-key-here-generate-with-openssl-rand-hex-32
 
+# official environment system version
+SYSTEM_VERSION=
+
 # JWT Token expiration settings
 ACCESS_TOKEN_EXPIRE_MINUTES=30
 REFRESH_TOKEN_EXPIRE_DAYS=7
@@ -129,6 +132,12 @@ KB_image2text_id=
 config_id=
 reranker_id=
 
+# Email Configuration
+SMTP_SERVER=
+SMTP_PORT=
+SMTP_USER=
+SMTP_PASSWORD=
+
 # 本体类型融合配置 (记得写入env_example)
 GENERAL_ONTOLOGY_FILES=General_purpose_entity.ttl  # 指定要加载的本体文件路径，多个文件用逗号分隔
 ENABLE_GENERAL_ONTOLOGY_TYPES=true # 总开关，控制是否启用通用本体类型融合功能(false = 不使用任何本体类型指导)