diff --git a/python/sglang/srt/layers/attention/aiter_backend.py b/python/sglang/srt/layers/attention/aiter_backend.py
old mode 100644
new mode 100755
index 97d6ee573..fd8661234
--- a/python/sglang/srt/layers/attention/aiter_backend.py
+++ b/python/sglang/srt/layers/attention/aiter_backend.py
@@ -203,7 +203,10 @@ class AiterAttnBackend(AttentionBackend):
             # need to fall back to non-persist
             # only use mla_ps_kernel when fp8 kv_cache
             # for non-fp8 kv_cache on tp8, use non-persist kernel to avoid performance degradation
-            if self.num_head == 16 and self.kv_cache_dtype is not fp8_dtype:
+            # head_num=16 (tp8 perf issue), head_num=128 (unsupported, like tp1 or --enable-dp-attention with tp8-dp8)
+            if (
+                self.num_head == 16 or self.num_head == 128
+            ) and self.kv_cache_dtype is not fp8_dtype:
                 _use_mla_ps_kernel = False
                 fast_mode = False
                 intra_batch_mode = False