diff --git a/internvl_chat/internvl/model/internvl_chat/modeling_internvl_chat.py b/internvl_chat/internvl/model/internvl_chat/modeling_internvl_chat.py
index 53f97396..997494d6 100644
--- a/internvl_chat/internvl/model/internvl_chat/modeling_internvl_chat.py
+++ b/internvl_chat/internvl/model/internvl_chat/modeling_internvl_chat.py
@@ -128,7 +128,7 @@ def wrap_llm_lora(self, r=128, lora_alpha=256, lora_dropout=0.05):
             target_modules = ['self_attn.q_proj', 'self_attn.k_proj', 'self_attn.v_proj', 'self_attn.o_proj',
                               'mlp.gate_proj', 'mlp.down_proj', 'mlp.up_proj']
         else:
-            raise NotImplemented
+            raise NotImplementedError(f'Unsupported architecture: {self.llm_arch_name}')
         lora_config = LoraConfig(
             r=r,
             target_modules=target_modules,