diff --git a/llm/server/server/data/processor.py b/llm/server/server/data/processor.py
index efa798fde7..b27ae1bf2c 100644
--- a/llm/server/server/data/processor.py
+++ b/llm/server/server/data/processor.py
@@ -338,13 +338,37 @@ def get_pad_id(self):
             return self.tokenizer.eos_token
         return self.tokenizer.pad_token_id
 
+    def pad_batch_data(self, insts, pad_id=0, return_seq_len=False, return_array=True, pad_style="right"):
+        """Pad the instances to the max sequence length in batch."""
+        if len(insts) == 0:
+            padded_insts = np.array([[]], dtype=np.int64) if return_array else [[]]
+            if return_seq_len:
+                seq_len = np.array([], dtype=np.int64) if return_array else []
+                return padded_insts, seq_len
+            return padded_insts
+
+        max_len = max(map(len, insts))
+        if pad_style == "left":
+            padded_insts = [[pad_id] * (max_len - len(inst)) + list(inst) for inst in insts]
+        else:
+            padded_insts = [list(inst) + [pad_id] * (max_len - len(inst)) for inst in insts]
+        if return_array:
+            padded_insts = np.array(padded_insts, dtype=np.int64).reshape([-1, max_len])
+
+        if return_seq_len:
+            seq_len = [len(inst) for inst in insts]
+            if return_array:
+                seq_len = np.array(seq_len, dtype=np.int64).reshape(-1, 1)
+            return padded_insts, seq_len
+        return padded_insts
+
     def update_stop_seq(self, request):
         """
         Update stop sequences from request.
         """
-        stop_seqs =  [[2], [100273]]
+        stop_seqs =  []
         for seq in request.get("stop_sequences", []):
-            if seq != self._get_eos_token_id():
+            if seq != self.tokenizer.eos_token_id:
                 stop_seqs.append(self.tokenizer.convert_tokens_to_ids(self.tokenizer.tokenize(seq)))
         request["stop_seqs"], request["stop_seqs_len"] = self.pad_batch_data(
             stop_seqs,
diff --git a/llm/server/server/engine/infer.py b/llm/server/server/engine/infer.py
index 3e448b4d3c..ac006bf4ae 100644
--- a/llm/server/server/engine/infer.py
+++ b/llm/server/server/engine/infer.py
@@ -251,10 +251,10 @@ def init_inputs(self):
         self.share_inputs['free_list_len'] = paddle.full(
                             shape=[1], fill_value=self.free_list_len, dtype="int32")
 
-        self.share_inputs['stop_seqs_len'] = paddle.full(shape=[max_stop_seqs_num,],
+        self.share_inputs['stop_seqs_len'] = paddle.full(shape=[self.max_stop_seqs_num,],
                                             fill_value=0,
                                             dtype="int32")
-        self.share_inputs['stop_seqs'] = paddle.full(shape=[max_stop_seqs_num, stop_seqs_max_len],
+        self.share_inputs['stop_seqs'] = paddle.full(shape=[self.max_stop_seqs_num, self.stop_seqs_max_len],
                                                 fill_value=-1,
                                                 dtype="int64")
 
@@ -312,11 +312,11 @@ def dy_input_preprocess(self, tasks):
 
             if "stop_seqs_len" in task:
                 stop_seqs_num = len(task["stop_seqs_len"])
-                for i in range(stop_seqs_num, max_stop_seqs_num):
+                for i in range(stop_seqs_num, self.max_stop_seqs_num):
                     task["stop_seqs_len"].append(0)
-                share_inputs['stop_seqs_len'][:] = np.array(
+                self.share_inputs['stop_seqs_len'][:] = np.array(
                                                         task["stop_seqs_len"], dtype="int32")
-                share_inputs['stop_seqs'][:stop_seqs_num, :len(task['stop_seqs'][0])] = np.array(
+                self.share_inputs['stop_seqs'][:stop_seqs_num, :len(task['stop_seqs'][0])] = np.array(
                                                         task["stop_seqs"], dtype="int64")
     def step_cuda(self, seq_lens_this_time):
         """