diff --git a/library/promptadmin/prompt_service/models/anthropic.py b/library/promptadmin/prompt_service/models/anthropic.py
index 8ba2a21..66a232b 100644
--- a/library/promptadmin/prompt_service/models/anthropic.py
+++ b/library/promptadmin/prompt_service/models/anthropic.py
@@ -59,8 +59,8 @@ async def execute(self, prompt: str, history: list[Message]) -> AnthropicModelRe
             history.append(Message(content=prompt, role='user'))
         elif self.prompt_position == 'system':
             system = prompt
-            if len(history) ==0:
-                history.append(Message(content=prompt, role='user'))
+            if len(history) == 0:
+                history.append(Message(content="Hello", role='user'))
 
         for message in history:
             if message.role == 'user':
diff --git a/server/promptadmin_server/api/service/prompt_unit_test_service.py b/server/promptadmin_server/api/service/prompt_unit_test_service.py
index bc762ae..9937232 100644
--- a/server/promptadmin_server/api/service/prompt_unit_test_service.py
+++ b/server/promptadmin_server/api/service/prompt_unit_test_service.py
@@ -113,7 +113,7 @@ async def preview(self, unit_test: UnitTest, sync_data: SyncData, mapping: Mappi
             context.update(json.loads(sync_data.template_context_default))
 
             prompt = await self.prompt_load_service.load_mapping_name(mapping, unit_test.name)
-            preview = await self.preview_template_service.preview(prompt, context)
+            preview = await self.preview_template_service.preview(prompt, context, mapping.connection_name)
             unit_test.test_preview = preview
         except Exception as e:
             unit_test.test_exception = str(e)