diff --git a/.env b/.env
deleted file mode 100644
index 4f3f3dd..0000000
--- a/.env
+++ /dev/null
@@ -1,32 +0,0 @@
-# Binance API (public data - no keys needed)
-BINANCE_API_URL=https://api.binance.com
-
-# 代理配置 (SOCKS5)
-SOCKS5_PROXY=socks5://127.0.0.1:7890
-USE_PROXY=true
-
-# Data Configuration
-DATA_CACHE_DIR=./data/cache
-LOOKBACK_1H=168      # 1 week for 1h data
-LOOKBACK_15M=672     # 1 week for 15m data
-FORECAST_HORIZON=24  # Predict 24 periods ahead
-
-# Training Configuration
-BATCH_SIZE=64
-LEARNING_RATE=0.001
-MAX_EPOCHS=100
-EARLY_STOPPING_PATIENCE=10
-TRAIN_SPLIT=0.7
-VAL_SPLIT=0.15
-TEST_SPLIT=0.15
-
-# Model Paths
-MODEL_DIR=./models/checkpoints
-ONNX_DIR=./models/onnx
-
-# API Configuration
-API_PORT=5000
-API_HOST=0.0.0.0
-
-# Classification Threshold
-PRICE_CHANGE_THRESHOLD=0.015  # 1.5% threshold for binary labels
diff --git a/.env.example b/.env.example
index 4f3f3dd..92c1eec 100644
--- a/.env.example
+++ b/.env.example
@@ -30,3 +30,10 @@ API_HOST=0.0.0.0
 
 # Classification Threshold
 PRICE_CHANGE_THRESHOLD=0.015  # 1.5% threshold for binary labels
+
+# MySQL Configuration
+MYSQL_HOST=localhost
+MYSQL_PORT=3306
+MYSQL_USER=user
+MYSQL_PASSWORD=password
+MYSQL_DB=crypto_predictor
diff --git a/.gitignore b/.gitignore
index 68edc16..23f0249 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,9 +9,11 @@ venv/
 env/
 ENV/
 
+# Sensitive
+.env
+
 # 数据和缓存
 data/cache/*.csv
-*.db
 
 # 模型检查点（保留最佳模型，忽略训练过程文件）
 models/checkpoints/*/epoch_*.pt
@@ -38,3 +40,4 @@ logs/
 # 临时文件
 *.tmp
 .cache/
+test_*.py
diff --git a/requirements.txt b/requirements.txt
index 0634808..33c8eb3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -42,3 +42,4 @@ tqdm>=4.66.0
 # Database
 pymysql>=1.1.0
 sqlalchemy>=2.0.0
+cryptography>=41.0.0