diff --git a/vllm_ascend/spec_decode/eagle_proposer.py b/vllm_ascend/spec_decode/eagle_proposer.py
index 2dd1a7d6..6b47e6bf 100644
--- a/vllm_ascend/spec_decode/eagle_proposer.py
+++ b/vllm_ascend/spec_decode/eagle_proposer.py
@@ -51,7 +51,7 @@ class EagleProposer(Proposer):
                                not self.vllm_config.model_config.enforce_eager)
 
         self.cudagraph_batch_sizes = list(
-            reversed(
+            sorted(
                 self.vllm_config.compilation_config.cudagraph_capture_sizes))
 
         # persistent buffers for cuda graph
diff --git a/vllm_ascend/spec_decode/mtp_proposer.py b/vllm_ascend/spec_decode/mtp_proposer.py
index 89425c6a..4b7bfad9 100644
--- a/vllm_ascend/spec_decode/mtp_proposer.py
+++ b/vllm_ascend/spec_decode/mtp_proposer.py
@@ -108,7 +108,7 @@ class MtpProposer(Proposer):
         self.use_aclgraph = self.runner._use_aclgraph()
 
         self.cudagraph_batch_sizes = (list(
-            reversed(
+            sorted(
                 self.vllm_config.compilation_config.cudagraph_capture_sizes))
                                       if self.use_aclgraph else [])