diff --git a/Dockerfile b/Dockerfile
index 0d3f102..56e8652 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,6 +14,7 @@ ENV FLASK_ENV=production
 RUN apt-get update && apt-get install -y \
     gcc \
     g++ \
+    curl \
     && rm -rf /var/lib/apt/lists/*
 
 # 复制requirements文件
diff --git a/requirements.txt b/requirements.txt
index 80307d4..be92984 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ pandas>=2.0.0
 numpy>=1.24.0
 
 # Technical indicators
-pandas-ta==0.4.67b0
+pandas-ta>=0.3.14b0
 
 # Visualization
 matplotlib>=3.7.0
@@ -17,11 +17,11 @@ seaborn>=0.12.0
 scikit-learn>=1.3.0
 
 # Database
-sqlite3
+# sqlite3 is part of Python standard library
 
 # Configuration
 pyyaml>=6.0
-configparser
+# configparser is part of Python standard library
 
 # Logging
 loguru>=0.7.0