diff --git a/server/notifyserver/src/main.rs b/server/notifyserver/src/main.rs
index 7e567ae..e00c1b3 100755
--- a/server/notifyserver/src/main.rs
+++ b/server/notifyserver/src/main.rs
@@ -8,6 +8,7 @@ use r9;
 mod test;
 mod mt;
 mod metawrap;
+mod metamgr;
 
 #[derive(Clone)]
 pub enum MessagesUnion
@@ -71,6 +72,10 @@ macro_rules! getMeta {
     }
 }
 
+struct TestA {
+
+}
+
 fn main() {
     let mut metamgr = MetaMgr::new();
     let p = metawrap::MtwAliKeyConf{
@@ -95,4 +100,14 @@ fn main() {
 
         }
     }
+    {
+        let mut testA = TestA{};
+        let mut a = RefCell::new(crate::mt::AliKeyConf::new());
+        {
+            let p = RefCell::new(crate::mt::AliKeyConf::new());
+            a = p;
+            let testB = TestA{};
+            testA = testB;
+        }
+    }
 }
diff --git a/server/notifyserver/src/metamgr.rs b/server/notifyserver/src/metamgr.rs
new file mode 100644
index 0000000..d72069b
--- /dev/null
+++ b/server/notifyserver/src/metamgr.rs
@@ -0,0 +1,15 @@
+use std::any::Any;
+use std::collections::HashMap;
+
+pub struct MetaClass {
+    file_name: String,
+    idx: i32,
+    prim_key: String,
+    raw_list: Vec<Box<dyn Any>>,
+    id_hash: HashMap<i64, Box<dyn Any>>,
+    name_hash: HashMap<String, Box<dyn Any>>,
+}
+
+pub struct MetaMgr {
+
+}