diff --git a/.github/workflows/nightly-test-amd.yml b/.github/workflows/nightly-test-amd.yml
index 5f653045c..3902971c2 100644
--- a/.github/workflows/nightly-test-amd.yml
+++ b/.github/workflows/nightly-test-amd.yml
@@ -42,8 +42,8 @@ on:
         default: 'all'
 
 concurrency:
-  group: nightly-test-amd-${{ github.ref }}
-  cancel-in-progress: true
+  group: nightly-test-amd-${{ inputs.ref || github.ref }}
+  cancel-in-progress: ${{ github.event_name != 'workflow_call' }}
 
 jobs:
   # 2-GPU tests (TP=2)
diff --git a/.github/workflows/nightly-test-intel.yml b/.github/workflows/nightly-test-intel.yml
index 47a6e2c2e..7f4242370 100644
--- a/.github/workflows/nightly-test-intel.yml
+++ b/.github/workflows/nightly-test-intel.yml
@@ -18,8 +18,8 @@ on:
         default: ""
 
 concurrency:
-  group: nightly-test-intel-${{ github.ref }}
-  cancel-in-progress: true
+  group: nightly-test-intel-${{ inputs.ref || github.ref }}
+  cancel-in-progress: ${{ github.event_name != 'workflow_call' }}
 
 jobs:
   # Placeholder for Intel GPU tests
diff --git a/.github/workflows/nightly-test-npu.yml b/.github/workflows/nightly-test-npu.yml
index cbf0025df..b06bf6819 100644
--- a/.github/workflows/nightly-test-npu.yml
+++ b/.github/workflows/nightly-test-npu.yml
@@ -23,8 +23,8 @@ on:
         default: 'all'
 
 concurrency:
-  group: nightly-test-npu-${{ github.ref }}
-  cancel-in-progress: true
+  group: nightly-test-npu-${{ inputs.ref || github.ref }}
+  cancel-in-progress: ${{ github.event_name != 'workflow_call' }}
 
 jobs:
   nightly-1-npu-a3:
diff --git a/.github/workflows/nightly-test-nvidia.yml b/.github/workflows/nightly-test-nvidia.yml
index 3fad27022..74f0e7f66 100644
--- a/.github/workflows/nightly-test-nvidia.yml
+++ b/.github/workflows/nightly-test-nvidia.yml
@@ -45,8 +45,8 @@ on:
         default: 'all'
 
 concurrency:
-  group: nightly-test-nvidia-${{ github.ref }}
-  cancel-in-progress: true
+  group: nightly-test-nvidia-${{ inputs.ref || github.ref }}
+  cancel-in-progress: ${{ github.event_name != 'workflow_call' }}
 
 env:
   SGLANG_IS_IN_CI: true
diff --git a/.github/workflows/pr-test-amd.yml b/.github/workflows/pr-test-amd.yml
index 50a707f9e..dd9472b7c 100644
--- a/.github/workflows/pr-test-amd.yml
+++ b/.github/workflows/pr-test-amd.yml
@@ -37,8 +37,8 @@ on:
         type: boolean
         default: false
 concurrency:
-  group: pr-test-amd-${{ github.ref }}
-  cancel-in-progress: true
+  group: pr-test-amd-${{ inputs.ref || github.ref }}
+  cancel-in-progress: ${{ github.event_name != 'workflow_call' }}
 
 jobs:
   call-gate:
diff --git a/.github/workflows/pr-test-npu.yml b/.github/workflows/pr-test-npu.yml
index 18c87903b..e5333be76 100644
--- a/.github/workflows/pr-test-npu.yml
+++ b/.github/workflows/pr-test-npu.yml
@@ -20,8 +20,8 @@ on:
         default: false
 
 concurrency:
-  group: pr-test-npu-${{ github.ref }}
-  cancel-in-progress: true
+  group: pr-test-npu-${{ inputs.ref || github.ref }}
+  cancel-in-progress: ${{ github.event_name != 'workflow_call' }}
 
 jobs:
   # ==================== Check Changes ==================== #
diff --git a/.github/workflows/pr-test-xeon.yml b/.github/workflows/pr-test-xeon.yml
index 528f44709..5a7ded7b1 100644
--- a/.github/workflows/pr-test-xeon.yml
+++ b/.github/workflows/pr-test-xeon.yml
@@ -20,7 +20,7 @@ on:
         default: false
 
 concurrency:
-  group: pr-test-xeon-${{ github.ref }}
+  group: pr-test-xeon-${{ inputs.ref || github.ref }}
   cancel-in-progress: false
 
 jobs:
diff --git a/.github/workflows/pr-test-xpu.yml b/.github/workflows/pr-test-xpu.yml
index f818fea8c..14dad3c27 100644
--- a/.github/workflows/pr-test-xpu.yml
+++ b/.github/workflows/pr-test-xpu.yml
@@ -20,8 +20,8 @@ on:
         default: false
 
 concurrency:
-  group: pr-test-xpu-${{ github.ref }}
-  cancel-in-progress: true
+  group: pr-test-xpu-${{ inputs.ref || github.ref }}
+  cancel-in-progress: ${{ github.event_name != 'workflow_call' }}
 
 jobs:
   # ==================== Check Changes ==================== #
diff --git a/.github/workflows/pr-test.yml b/.github/workflows/pr-test.yml
index 71a83e7d3..ed551fee3 100644
--- a/.github/workflows/pr-test.yml
+++ b/.github/workflows/pr-test.yml
@@ -39,8 +39,8 @@ on:
         default: false
 
 concurrency:
-  group: pr-test-${{ github.ref }}
-  cancel-in-progress: true
+  group: pr-test-${{ inputs.ref || github.ref }}
+  cancel-in-progress: ${{ github.event_name != 'workflow_call' }}
 
 env:
   SGLANG_IS_IN_CI: true