diff --git a/action.yaml b/action.yaml
index 1f684a4..e50eeff 100644
--- a/action.yaml
+++ b/action.yaml
@@ -20,7 +20,7 @@ runs:
       run: |  
         # 初始化 res 变量  
         res=""  
-        fileStr = (${INPUT_FILE_ARRAY//,/ })
+        fileStr=(${INPUT_FILE_ARRAY//,/ })
         # 读取 fileStr 变量中的每一行文件路径  
         for filepath in ${fileStr[@]}; do
             file_hash=$(md5sum "$filepath" | awk '{print $1}')