diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 99657c22..1692ab98 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -44,7 +44,7 @@ jobs:
         id: get-previous-codes
         run: |
           version=$(yq e .version pubspec.yaml | cut -d "+" -f 1)
-          last_tag=$(git describe --tags | awk -F"-" '{for(i=1;i<=NF-2;i++) printf "%s", $i}')
+          last_tag=$(git tag --sort=committerdate | tail -1)
           if $(echo $last_tag | grep -v "+"); then
             echo "Tag格式不正确"
             exit 1