diff --git a/app/service/generate_image/service_generate_image.py b/app/service/generate_image/service_generate_image.py
index d34db5e..b49433e 100644
--- a/app/service/generate_image/service_generate_image.py
+++ b/app/service/generate_image/service_generate_image.py
@@ -148,9 +148,10 @@ class GenerateImage:
 
             inputs = [input_text, input_image, input_mode]
             if self.version == "fast":
-                ctx = self.grpc_client.async_infer(model_name=GI_MODEL_NAME, inputs=inputs, callback=self.callback)
-            else:
                 ctx = self.grpc_client.async_infer(model_name=FAST_GI_MODEL_NAME, inputs=inputs, callback=self.callback)
+            else:
+                ctx = self.grpc_client.async_infer(model_name=GI_MODEL_NAME, inputs=inputs, callback=self.callback)
+
             time_out = 600
             generate_data = None
             while time_out > 0: