diff --git a/cosyvoice/llm/llm.py b/cosyvoice/llm/llm.py
index 814e4d1..6d88fc7 100644
--- a/cosyvoice/llm/llm.py
+++ b/cosyvoice/llm/llm.py
@@ -280,10 +280,14 @@ class Qwen2LM(torch.nn.Module):
             sampling: int,
             ignore_eos: bool = True,
     ):
+        num_trials, max_trials = 0, 100
         while True:
             top_ids = self.sampling(weighted_scores, decoded_tokens, sampling)
             if (not ignore_eos) or (self.speech_token_size not in top_ids):
                 break
+            num_trials += 1
+            if num_trials > max_trials:
+                raise RuntimeError('sampling reaches max_trials {} and still get eos when ignore_eos is True, check your input!'.format(max_trials))
         return top_ids
 
     @torch.inference_mode()