diff --git a/backend/Dockerfile b/backend/Dockerfile
index fbf1b732c4..38c62d794d 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -1,11 +1,23 @@
-FROM rust:1.56.1
+FROM rust:1.56.1 as builder
 WORKDIR /app
-COPY . .
 
-ENV SQLX_OFFLINE true
+COPY . .
 WORKDIR /app/backend
+ENV SQLX_OFFLINE true
 RUN RUSTFLAGS="-C opt-level=2" cargo build --release --bin backend
-RUN cp target/release/backend backend
+# Size optimization
+#RUN strip ./target/release/backend
+
+FROM debian:bullseye-slim AS runtime
+WORKDIR /app
+RUN apt-get update -y \
+    && apt-get install -y --no-install-recommends openssl \
+    # Clean up
+    && apt-get autoremove -y \
+    && apt-get clean -y \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY --from=builder /app/backend/target/release/backend /usr/local/bin/backend
+COPY --from=builder /app/backend/configuration configuration
 ENV APP_ENVIRONMENT production
-EXPOSE 8000
-ENTRYPOINT ["./backend"]
\ No newline at end of file
+CMD ["backend"]
diff --git a/backend/Makefile b/backend/Makefile
index ca0e154ea1..cb97934842 100644
--- a/backend/Makefile
+++ b/backend/Makefile
@@ -1,4 +1,5 @@
 ROOT = "./scripts"
+SEMVER_VERSION=$(shell grep version Cargo.toml | awk -F"\"" '{print $$2}' | head -n 1)
 
 .PHONY: init_database run_docker run_test
 
diff --git a/backend/src/service/doc/edit/edit_actor.rs b/backend/src/service/doc/edit/edit_actor.rs
index bca1bf3696..19d31ce18c 100644
--- a/backend/src/service/doc/edit/edit_actor.rs
+++ b/backend/src/service/doc/edit/edit_actor.rs
@@ -110,6 +110,7 @@ impl EditDocActor {
                 rev_id,
                 ret,
             } => {
+                log::debug!("Receive new doc user: {:?}, rev_id: {}", user, rev_id);
                 let user = EditUser {
                     user: user.clone(),
                     socket: socket.clone(),
diff --git a/backend/tests/document/edit.rs b/backend/tests/document/edit.rs
index 7483f4ee0c..692b49ae10 100644
--- a/backend/tests/document/edit.rs
+++ b/backend/tests/document/edit.rs
@@ -174,7 +174,7 @@ async fn delta_sync_while_local_rev_less_than_server_rev() {
 //                                     │                 │   └──────────────────────────────────┘
 //                                     ◀─────────────────┤   start ws connection
 //                                     │                 │
-//                                     ◀─────────────────┤   notify with rev: 3
+//                                     ◀─────────────────┤   call notify_open_doc with rev: 3
 //                                     │                 │
 //                                     ├────Pull Rev─────▶
 //                                     │                 │ ┌──────────────────────────────────┐
@@ -197,7 +197,7 @@ async fn delta_sync_while_local_rev_greater_than_server_rev() {
         DocScript::ClientInsertText(6, "efg"),
         DocScript::ClientConnectWs,
         DocScript::AssertClient(r#"[{"insert":"123abcefg\n"}]"#),
-        // DocScript::AssertServer(r#"[{"insert":"123abcefg\n"}]"#, 3),
+        DocScript::AssertServer(r#"[{"insert":"123abcefg\n"}]"#, 3),
     ])
     .await;
 }
diff --git a/backend/tests/document/helper.rs b/backend/tests/document/helper.rs
index f25f572061..e625f7c9a6 100644
--- a/backend/tests/document/helper.rs
+++ b/backend/tests/document/helper.rs
@@ -27,6 +27,7 @@ pub enum DocScript {
     AssertClient(&'static str),
     AssertServer(&'static str, i64),
     ServerSaveDocument(String, i64), // delta_json, rev_id
+    Sleep(u64),
 }
 
 impl DocumentTest {
@@ -125,14 +126,17 @@ async fn run_scripts(context: Arc<RwLock<ScriptContext>>, scripts: Vec<DocScript
                     let pg_pool = context.read().server_pg_pool.clone();
                     let doc_manager = context.read().server_doc_manager.clone();
                     let edit_doc = doc_manager.get(&doc_id, pg_pool).await.unwrap().unwrap();
-                    assert_eq!(edit_doc.rev_id().await.unwrap(), rev_id);
                     let json = edit_doc.document_json().await.unwrap();
                     assert_eq(s, &json);
+                    assert_eq!(edit_doc.rev_id().await.unwrap(), rev_id);
                 },
                 DocScript::ServerSaveDocument(json, rev_id) => {
                     let pg_pool = context.read().server_pg_pool.clone();
                     save_doc(&doc_id, json, rev_id, pg_pool).await;
                 },
+                DocScript::Sleep(sec) => {
+                    sleep(Duration::from_secs(sec)).await;
+                },
             }
         };
         fut_scripts.push(fut);
diff --git a/frontend/rust-lib/flowy-document/src/services/doc/edit/edit_doc.rs b/frontend/rust-lib/flowy-document/src/services/doc/edit/edit_doc.rs
index e1f0a47a7b..ae36102640 100644
--- a/frontend/rust-lib/flowy-document/src/services/doc/edit/edit_doc.rs
+++ b/frontend/rust-lib/flowy-document/src/services/doc/edit/edit_doc.rs
@@ -185,15 +185,20 @@ impl ClientEditDoc {
     #[tracing::instrument(level = "debug", skip(self))]
     fn notify_open_doc(&self) {
         let rev_id: RevId = self.rev_manager.rev_id().into();
-
         if let Ok(user_id) = self.user.user_id() {
             let action = OpenDocAction::new(&user_id, &self.doc_id, &rev_id, &self.ws);
             let strategy = ExponentialBackoff::from_millis(50).take(3);
             let retry = Retry::spawn(strategy, action);
             tokio::spawn(async move {
                 match retry.await {
-                    Ok(_) => {},
-                    Err(e) => log::error!("Notify open doc failed: {}", e),
+                    Ok(_) => {
+                        //
+                        log::debug!("Notify open doc success");
+                    },
+                    Err(e) => {
+                        //
+                        log::error!("Notify open doc failed: {}", e);
+                    },
                 }
             });
         }