fix ep lm head (#3244)

Co-authored-by: yuanxiaolan <[email protected]>

Author: RichardWooSJTU

fastdeploy/model_executor/layers/lm_head.py

@@ -118,9 +118,7 @@ def load_state_dict(self, state_dict: Dict[str, paddle.Tensor | np.ndarray]):
         if self.use_ep:
             self.weight.set_value(get_tensor(state_dict.pop(self.weight_key)).astype(paddle.get_default_dtype()))
             if self.bias_key is not None:
-                self.bias.set_value(
-                    get_tensor(state_dict.pop(self.linear_bias_key)).astype(paddle.get_default_dtype())
-                )
+                self.bias.set_value(get_tensor(state_dict.pop(self.bias_key)).astype(paddle.get_default_dtype()))
         else:
             if self.tie_word_embeddings:
                 self.linear.weight.set_value(
@@ -148,7 +146,7 @@ def forward(self, input: paddle.Tensor) -> paddle.Tensor:
         """
         logits = input
         if self.use_ep:
-            if self.linear_bias_key is None:
+            if self.bias_key is None:
                 logits = paddle.matmul(logits, self.weight)
             else:
                 logits = paddle.incubate.nn.functional.fused_linear(logits, self.weight, self.bias)