diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index dce2ce4..3da2146 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -70,7 +70,7 @@ jobs:
           GITHUB_RUN_NUMBER: ${{ github.run_number }}
           GITHUB_RUN_ID: ${{ github.run_id }}
         run: |
-          BEIJING_TIME = "$(TZ='Asia/Shanghai' date +'%Y-%m-%d %H:%M:%S:%3N')"
+          BEIJING_TIME=$(TZ='Asia/Shanghai' date +'%Y-%m-%d %H:%M:%S:%3N')
           python main.py
           echo "------"
           # 判断环境变量是否为空