diff --git a/src/lib.rs b/src/lib.rs
index 3b4f4ab..02c17e5 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -114,3 +114,14 @@ pub struct LayerConfig {
     pub node_name: String,
     pub index_name: String,
 }
+
+impl LayerConfig {
+    /// 检查配置文件是否有值
+    pub fn is_exist(&self) -> bool {
+        !self.zinc_search_host.is_empty()
+            || !self.username.is_empty()
+            || !self.password.is_empty()
+            || !self.node_name.is_empty()
+            || !self.index_name.is_empty()
+    }
+}