fix_moe_learable-score111 (#7903)

Fix routed_scaling_factor_learnable not taking effect in cutlass backend apply_tp

Author: chang-wenbin

fastdeploy/model_executor/layers/moe/fused_moe_cutlass_backend.py

@@ -446,7 +446,7 @@ def apply_tp(
                 gate_out = gate_out.cast("float32")
             if fc1_latent_proj is not None:
                 x = fc1_latent_proj(x)
-            gate_out, topk_weights, topk_idx = get_moe_scores(
+            gate_out, _, __ = get_moe_scores(
                 gate_out,
                 layer.n_group,
                 layer.topk_group,
@@ -458,11 +458,6 @@ def apply_tp(
                 use_fused_cast=use_fused,
             )
 
-            if layer.routed_scaling_factor_learnable:
-                safe_topk_indices = paddle.clip(topk_idx, min=0)
-                gathered_scales = F.embedding(safe_topk_indices, layer.per_expert_scale.unsqueeze(1)).squeeze(-1)
-                topk_weights = topk_weights * gathered_scales
-
             (
                 permute_input,
                 token_nums_per_expert,
@@ -484,6 +479,12 @@ def apply_tp(
                 self.moe_quant_type,
                 topk_only_mode=True,
             )
+
+            if layer.routed_scaling_factor_learnable:
+                safe_topk_indices = paddle.clip(topk_idx, min=0)
+                gathered_scales = F.embedding(safe_topk_indices, layer.per_expert_scale.unsqueeze(1)).squeeze(-1)
+                topk_weights = topk_weights * gathered_scales
+
         else:
             gate_out = gate_out.cast("float32")
             if fc1_latent_proj is not None: