diff --git a/pkg/openai/keymgr.py b/pkg/openai/keymgr.py
index cf9898aa..a9d95243 100644
--- a/pkg/openai/keymgr.py
+++ b/pkg/openai/keymgr.py
@@ -78,6 +78,8 @@ class KeysManager:
         return self.fee[md5]
 
     def report_fee(self, fee: float) -> bool:
+        logging.debug("report fee:" + str(fee))
+
         md5 = hashlib.md5(self.using_key.encode('utf-8')).hexdigest()
         if md5 not in self.fee:
             self.fee[md5] = 0
diff --git a/pkg/openai/pricing.py b/pkg/openai/pricing.py
index 1040a04c..26455bb9 100644
--- a/pkg/openai/pricing.py
+++ b/pkg/openai/pricing.py
@@ -1,3 +1,5 @@
+import logging
+
 pricing = {
     "base": {  # 文字模型单位是1000字符
         "text-davinci-003": 0.02,
@@ -13,9 +15,11 @@ pricing = {
 def language_base_price(model, text):
     salt_rate = 0.93
     length = ((len(text.encode('utf-8')) - len(text)) / 2 + len(text)) * salt_rate
+    logging.debug("text length: %d" % length)
 
     return pricing["base"][model] * length / 1000
 
 
 def image_price(size):
+    logging.debug("image size: %s" % size)
     return pricing["image"][size]