diff --git a/config/models.yaml b/config/models.yaml
index cec5cfa..1ab472a 100644
--- a/config/models.yaml
+++ b/config/models.yaml
@@ -5,24 +5,13 @@ models:
   default: deepseek_r1
 
   providers:
-    # Provider 1: MegaLLM (OpenAI-Like)
-    openai_like:
-      api_key: ${MEGALLM_API_KEY}
-      base_url: ${API_URL}
-      models:
-        deepseek_v3:
-          id: "deepseek-ai/deepseek-v3.1"
-          temperature: 0.7
-          max_tokens: 4096
-          supports_streaming: true
-
-    # Provider 2: OpenRouter
+    # Provider: OpenRouter
     openrouter:
       api_key: ${OPENROUTER_API_KEY}
       base_url: ${OPENROUTER_BASE_URL}
       models:
         deepseek_r1:
-          id: "openai/gpt-oss-120b:free"
+          id: "openai/gpt-oss-120b"
           temperature: 0.6
           max_tokens: 4096
 
diff --git a/config/production.env b/config/production.env
index 47f14fc..0e03a59 100644
--- a/config/production.env
+++ b/config/production.env
@@ -11,7 +11,7 @@ API_URL=https://gpt.nwhco.ir
 OPENROUTER_BASE_URL=https://openrouter.ai/api/v1
 
 # API KEYS
-OPENROUTER_API_KEY=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
+OPENROUTER_API_KEY=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
 MEGALLM_API_KEY=sk-mega-d124420e7b96640569860ec6dee778a41c10a67356380eedfba5c7a2024db3c3
 
 # ---------------- Vector DB Settings ----------------
diff --git a/src/models/factory.py b/src/models/factory.py
index 824af29..ffd0d94 100644
--- a/src/models/factory.py
+++ b/src/models/factory.py
@@ -72,15 +72,17 @@ class ModelFactory:
                 
                 elif provider_name == 'openrouter':
                     return OpenRouter(
-                        id =model_config_data['id'],
+                        id=model_config_data['id'],
                         api_key=api_key,
                         base_url=base_url,
                         collect_metrics_on_completion=True,
                         max_tokens=model_config_data.get('max_tokens', 4096),
                         default_headers={
-                        "Authorization": f"Bearer {api_key}",
-                        "Content-Type": "application/json"
-                    },
+                            "Authorization": f"Bearer {api_key}",
+                            "Content-Type": "application/json",
+                            "HTTP-Referer": os.getenv("APP_URL", "https://imamreza.ir"),
+                            "X-Title": os.getenv("APP_TITLE", "Imam Reza Shrine Agent"),
+                        },
                     )
 
         raise ValueError(f"Model '{model_name}' not found in configuration")
\ No newline at end of file