diff --git a/docker-compose.yml b/docker-compose.yml
index 24a1e9b3..cf7b7a94 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -12,6 +12,7 @@ services:
       - OPENAI_API_KEY=${OPENAI_API_KEY}
       - ALPHA_VANTAGE_API_KEY=${ALPHA_VANTAGE_API_KEY}
       - TRADINGAGENTS_RESULTS_DIR=/app/results
+      - TRADINGAGENTS_DATA_CACHE_DIR=/app/results/data_cache
     volumes:
       - ./results:/app/results
       - ./tradingagents:/app/tradingagents:ro
diff --git a/tradingagents/default_config.py b/tradingagents/default_config.py
index 809bd656..b5be7c69 100644
--- a/tradingagents/default_config.py
+++ b/tradingagents/default_config.py
@@ -4,10 +4,10 @@ DEFAULT_CONFIG = {
     "project_dir": os.path.abspath(os.path.join(os.path.dirname(__file__), ".")),
     "results_dir": os.getenv("TRADINGAGENTS_RESULTS_DIR", "./results"),
     "data_dir": os.path.join(os.path.expanduser("~"), "Documents/Code/ScAI/FR1-data"),
-    "data_cache_dir": os.path.join(
+    "data_cache_dir": os.getenv("TRADINGAGENTS_DATA_CACHE_DIR", os.path.join(
         os.path.abspath(os.path.join(os.path.dirname(__file__), ".")),
         "dataflows/data_cache",
-    ),
+    )),
     # LLM 設定
     "llm_provider": "openai",
     "deep_think_llm": "gpt-4o-mini",