diff --git a/python/sglang/srt/layers/sampler.py b/python/sglang/srt/layers/sampler.py
index 54fc47b73..9ae5801cc 100644
--- a/python/sglang/srt/layers/sampler.py
+++ b/python/sglang/srt/layers/sampler.py
@@ -1,4 +1,5 @@
 import logging
+import os
 from typing import Union
 
 import torch
@@ -17,6 +18,11 @@ if is_flashinfer_available():
         top_p_renorm_prob,
     )
 
+
+# Crash on warning if we are running CI tests
+crash_on_warning = os.getenv("SGLANG_IS_IN_CI", "false") == "true"
+
+
 logger = logging.getLogger(__name__)
 
 
@@ -36,6 +42,7 @@ class Sampler(nn.Module):
         logits = logits.contiguous()
 
         if self.use_nan_detectioin and torch.any(torch.isnan(logits)):
+            exit(1) if crash_on_warning else None
             logger.warning("Detected errors during sampling! NaN in the logits.")
             logits = torch.where(
                 torch.isnan(logits), torch.full_like(logits, -1e5), logits
diff --git a/python/sglang/srt/model_executor/cuda_graph_runner.py b/python/sglang/srt/model_executor/cuda_graph_runner.py
index b859df358..3ef9b35ed 100644
--- a/python/sglang/srt/model_executor/cuda_graph_runner.py
+++ b/python/sglang/srt/model_executor/cuda_graph_runner.py
@@ -116,7 +116,7 @@ class CudaGraphRunner:
         if self.model_runner.server_args.disable_cuda_graph_padding:
             self.capture_bs = list(range(1, 32)) + [64, 128]
         else:
-            self.capture_bs = [1, 2, 4] + [i * 8 for i in range(1, 21)]
+            self.capture_bs = [1, 2, 3, 4] + [i * 8 for i in range(1, 21)]
         self.capture_bs = [
             bs for bs in self.capture_bs if bs <= model_runner.req_to_token_pool.size
         ]
diff --git a/test/srt/test_eval_accuracy_large.py b/test/srt/test_eval_accuracy_large.py
index 3729ad26b..0b95f435c 100644
--- a/test/srt/test_eval_accuracy_large.py
+++ b/test/srt/test_eval_accuracy_large.py
@@ -1,3 +1,8 @@
+"""
+Usage:
+python -m unittest test_eval_accuracy_large.TestEvalAccuracyLarge.test_mmlu
+"""
+
 import unittest
 from types import SimpleNamespace
 
@@ -32,12 +37,12 @@ class TestEvalAccuracyLarge(unittest.TestCase):
             base_url=self.base_url,
             model=self.model,
             eval_name="mmlu",
-            num_examples=3000,
+            num_examples=5000,
             num_threads=1024,
         )
 
         metrics = run_eval(args)
-        assert metrics["score"] >= 0.705, f"{metrics}"
+        assert metrics["score"] >= 0.71, f"{metrics}"
 
     def test_human_eval(self):
         args = SimpleNamespace(
diff --git a/test/srt/test_moe_eval_accuracy_large.py b/test/srt/test_moe_eval_accuracy_large.py
index b15308dce..5f2560526 100644
--- a/test/srt/test_moe_eval_accuracy_large.py
+++ b/test/srt/test_moe_eval_accuracy_large.py
@@ -1,3 +1,8 @@
+"""
+Usage:
+python -m unittest test_moe_eval_accuracy_large.TestMoEEvalAccuracyLarge.test_mmlu
+"""
+
 import unittest
 from types import SimpleNamespace
 
@@ -11,7 +16,7 @@ from sglang.test.test_utils import (
 )
 
 
-class TestEvalAccuracyLarge(unittest.TestCase):
+class TestMoEEvalAccuracyLarge(unittest.TestCase):
     @classmethod
     def setUpClass(cls):
         cls.model = DEFAULT_MOE_MODEL_NAME_FOR_TEST
@@ -37,7 +42,7 @@ class TestEvalAccuracyLarge(unittest.TestCase):
             base_url=self.base_url,
             model=self.model,
             eval_name="mmlu",
-            num_examples=3000,
+            num_examples=5000,
             num_threads=1024,
         )
 
diff --git a/test/srt/test_pytorch_sampling_backend.py b/test/srt/test_pytorch_sampling_backend.py
index ee06de8fa..5dbb9ae2b 100644
--- a/test/srt/test_pytorch_sampling_backend.py
+++ b/test/srt/test_pytorch_sampling_backend.py
@@ -1,4 +1,3 @@
-import json
 import unittest
 from types import SimpleNamespace