Update config.dev.json

config.dev.json

 {
-    "api_key": "xxxxxxxxx",
-    "session_timeout": 180,
-    "max_tokens": 2000,
+    "api_key": "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",
+    "session_timeout": 120,
+    "max_tokens": 1024,
     "model": "text-davinci-003",
     "temperature": 0.9,
     "session_clear_token": "清空会话"