diff --git a/.github/workflows/commit_check_supportlist.yaml b/.github/workflows/commit_check_supportlist.yaml
new file mode 100644
index 0000000..25e5722
--- /dev/null
+++ b/.github/workflows/commit_check_supportlist.yaml
@@ -0,0 +1,44 @@
+name: "Update Support List"
+on:
+    push:
+        branches:
+            - 'main'
+        # only run when "luci/luci-app-qmodem/root/usr/share/qmodem/modem_support.json" is changed
+        paths:
+            - 'luci/luci-app-qmodem/root/usr/share/qmodem/modem_support.json'
+
+env:
+    TZ: Asia/Shanghai
+
+jobs:
+    update_support_list:
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v2
+              env:
+                GH_TOKEN: ${{ github.token }}
+                branch_name: ${{ github.ref_name }}
+              with:
+                path: 'qmodem'
+
+
+            - name: Update Modem_support_list
+              id: update_modem_support_list
+              run: |
+                cd qmodem
+                is_json_invalid=0
+                is_diff=0
+                python3 ./scripts/update_support_list.py temp_support_list ./luci/luci-app-qmodem/root/usr/share/qmodem/modem_support.json || is_json_invalid=1
+                diff ./temp_support_list.md ./docs/support_list.md -u > /tmp/file_diff.txt || is_diff=1
+                if [ "$is_json_invalid" == "1" ];then
+                    exit 1
+                fi
+                if [ "$is_diff" == "1" ];then 
+                    mv temp_support_list.md ./docs/support_list.md
+                    git config --global user.name "GitHub Action"
+                    git config --global user.email "github-action@users.noreply.github.com"
+                    git add ./docs/support_list.md
+                    git commit -m "Update support list"
+                    git push origin ${{ env.branch_name }}
+                fi
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 09b687d..ccfdb36 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -55,21 +55,11 @@ jobs:
         with:
           path: 'qmodem'
 
-      - name: Update Modem_support_list
+      - name: Generate Release Note
         id: update_modem_support_list
         run: |
           cd qmodem
           python3 ./scripts/update_support_list.py temp_support_list ./luci/luci-app-qmodem/root/usr/share/qmodem/modem_support.json
-          is_diff=$(diff ./temp_support_list.md ./docs/support_list.md > /dev/null 2>&1 && echo 0 || echo 1)
-          echo "is_diff=${is_diff}" >> $GITHUB_ENV
-          if [[ ${is_pr} == 0 ]] && [[ ${is_diff} == 1 ]]; then
-            mv temp_support_list.md ./docs/support_list.md
-            git config --global user.name "GitHub Action"
-            git config --global user.email "github-action@users.noreply.github.com"
-            git add ./docs/support_list.md
-            git commit -m "Update support list"
-            git push origin ${{ env.branch_name }}
-          fi
           mv temp_support_list_release_notes.md ./release_note.md
       
       - name: Upload Release Note
diff --git a/.github/workflows/pr_check_supportlist.yaml b/.github/workflows/pr_check_supportlist.yaml
new file mode 100644
index 0000000..a7a4941
--- /dev/null
+++ b/.github/workflows/pr_check_supportlist.yaml
@@ -0,0 +1,77 @@
+name: "PR Update Support List"
+on:
+    pull_request:
+        # only run when "luci/luci-app-qmodem/root/usr/share/qmodem/modem_support.json" is changed
+        paths:
+            - 'luci/luci-app-qmodem/root/usr/share/qmodem/modem_support.json'
+
+env:
+    TZ: Asia/Shanghai
+
+jobs:
+    update_support_list:
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout PR Branch
+              uses: actions/checkout@v2
+              with:
+                path: 'pr_branch'
+
+            - name: Checkout Base Branch
+              uses: actions/checkout@v2
+              with:
+                repository: ${{ github.repository }}
+                ref: ${{ github.event.pull_request.base.ref }}
+                path: 'base_branch'
+
+            - name: Update Support List and Check
+              id: update_modem_support_list
+              env:
+                GH_TOKEN: ${{ github.token }}
+              run: |
+                cd pr_branch
+                is_json_invalid=0
+                python3 ./scripts/update_support_list.py temp_support_list ./luci/luci-app-qmodem/root/usr/share/qmodem/modem_support.json || is_json_invalid=1
+                
+                if [ "$is_json_invalid" = "1" ]; then
+                    echo "pr_close=1" >> $GITHUB_OUTPUT
+                    echo "The JSON file is invalid, please check" >> pr_comment.txt
+                    exit 0
+                fi
+                
+                # Compare with base branch support_list.md
+                is_diff=0
+                if ! diff ./temp_support_list.md ../base_branch/docs/support_list.md > /dev/null 2>&1; then
+                    is_diff=1
+                fi
+                
+                # Generate pr_comment.txt for comment
+                echo '```' > ./pr_comment.txt
+                diff -u ./temp_support_list.md ../base_branch/docs/support_list.md >> ./pr_comment.txt || true
+                echo '```' >> ./pr_comment.txt
+                if [ "$is_diff" = "1" ]; then 
+                    echo "The support list has been updated, please check the changes" >> ./pr_comment.txt
+                    echo "pr_close=0" >> $GITHUB_OUTPUT
+                    echo "has_diff=1" >> $GITHUB_OUTPUT
+                else
+                    echo "No changes in the support list" >> ./pr_comment.txt
+                    echo "pr_close=0" >> $GITHUB_OUTPUT
+                    echo "has_diff=0" >> $GITHUB_OUTPUT
+                fi
+
+            - name: Close PR if JSON Invalid
+              if: steps.update_modem_support_list.outputs.pr_close == '1'
+              env:
+                GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+              run: |
+                cd base_branch
+                gh pr comment ${{ github.event.pull_request.number }} -F ../pr_branch/pr_comment.txt
+                gh pr close ${{ github.event.pull_request.number }}
+
+            - name: Comment on PR if JSON Valid
+              if: steps.update_modem_support_list.outputs.pr_close == '0'
+              env:
+                GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+              run: |
+                cd base_branch
+                gh pr comment ${{ github.event.pull_request.number }} -F ../pr_branch/pr_comment.txt