diff --git a/pkg/database/manager.py b/pkg/database/manager.py
index 3ede5f57..cbe243e9 100644
--- a/pkg/database/manager.py
+++ b/pkg/database/manager.py
@@ -64,7 +64,7 @@ class DatabaseManager:
             `id` INTEGER PRIMARY KEY AUTOINCREMENT,
             `key_md5` varchar(255) not null,
             `timestamp` bigint not null,
-            `fee` DECIMAL(9,3) not null
+            `fee` DECIMAL(12,6) not null
         )
         """)
         print('Database initialized.')
diff --git a/pkg/qqbot/process.py b/pkg/qqbot/process.py
index eadde547..025ac556 100644
--- a/pkg/qqbot/process.py
+++ b/pkg/qqbot/process.py
@@ -118,8 +118,8 @@ def process_message(launcher_type: str, launcher_id: int, text_message: str) ->
                         using_key_name = ""
                         for api_key in api_keys:
                             reply_str += "{}:\n - {}元 {}%\n".format(api_key,
-                                                                     pkg.openai.manager.get_inst().key_mgr.get_fee(
-                                                                         api_keys[api_key]),
+                                                                     round(pkg.openai.manager.get_inst().key_mgr.get_fee(
+                                                                         api_keys[api_key]), 6),
                                                                      round(
                                                                          pkg.openai.manager.get_inst().key_mgr.get_fee(
                                                                              api_keys[