diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1d09718..32fe63a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
+# v1.1.1
+- 支持 AK、SK 为空字符串
+
 # v1.1.0
-- 支持 Bucket 为空
+- 支持不配置 AK、SK、Bucket 
 
 # v1.0.0
 
diff --git a/src/mcp_server/config/config.py b/src/mcp_server/config/config.py
index e2a0c89..9c9740e 100644
--- a/src/mcp_server/config/config.py
+++ b/src/mcp_server/config/config.py
@@ -29,13 +29,22 @@ class Config:
 
 def load_config() -> Config:
     config = Config(
-        access_key=os.getenv(_CONFIG_ENV_KEY_ACCESS_KEY, "QINIU_ACCESS_KEY"),
-        secret_key=os.getenv(_CONFIG_ENV_KEY_SECRET_KEY, "QINIU_SECRET_KEY"),
-        endpoint_url=os.getenv(_CONFIG_ENV_KEY_ENDPOINT_URL, "QINIU_ENDPOINT_URL"),
-        region_name=os.getenv(_CONFIG_ENV_KEY_REGION_NAME, "QINIU_REGION_NAME"),
+        access_key=os.getenv(_CONFIG_ENV_KEY_ACCESS_KEY),
+        secret_key=os.getenv(_CONFIG_ENV_KEY_SECRET_KEY),
+        endpoint_url=os.getenv(_CONFIG_ENV_KEY_ENDPOINT_URL),
+        region_name=os.getenv(_CONFIG_ENV_KEY_REGION_NAME),
         buckets=_get_configured_buckets_from_env(),
     )
 
+    if not config.access_key or len(config.access_key) == 0:
+        config.access_key = "YOUR_QINIU_ACCESS_KEY"
+    if not config.secret_key or len(config.access_key) == 0:
+        config.secret_key = "YOUR_QINIU_SECRET_KEY"
+    if not config.endpoint_url or len(config.access_key) == 0:
+        config.endpoint_url = "YOUR_QINIU_ENDPOINT_URL"
+    if not config.region_name or len(config.access_key) == 0:
+        config.region_name = "YOUR_QINIU_REGION_NAME"
+
     logger.info(f"Configured   access_key: {config.access_key}")
     logger.info(f"Configured endpoint_url: {config.endpoint_url}")
     logger.info(f"Configured  region_name: {config.region_name}")
diff --git a/src/mcp_server/core/version/version.py b/src/mcp_server/core/version/version.py
index 0812c05..de7b5df 100644
--- a/src/mcp_server/core/version/version.py
+++ b/src/mcp_server/core/version/version.py
@@ -1,2 +1,2 @@
 
-VERSION = '1.1.0'
\ No newline at end of file
+VERSION = '1.1.1'
\ No newline at end of file