diff --git a/Cargo.toml b/Cargo.toml
index ea73af6..47da750 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -36,7 +36,7 @@ tokio = { version = "1", features = ["macros", "rt-multi-thread"] }
 tokio-cron-scheduler = { version = "0" }
 uuid = { version = "0", features = ["serde", "v4", "v5"] }
 
-beteran-protobuf-rust = { git = "https://gitlab.loafle.net/bet/beteran-protobuf-rust.git", tag = "v0.1.96-snapshot" }
-beteran-common-rust = { git = "https://gitlab.loafle.net/bet/beteran-common-rust.git", tag = "v0.1.82-snapshot" }
+beteran-protobuf-rust = { git = "https://gitlab.loafle.net/bet/beteran-protobuf-rust.git", tag = "v0.1.97-snapshot" }
+beteran-common-rust = { git = "https://gitlab.loafle.net/bet/beteran-common-rust.git", tag = "v0.1.83-snapshot" }
 
 [build-dependencies]
diff --git a/src/compositions/member/composition.rs b/src/compositions/member/composition.rs
index 827822f..8dd7e18 100644
--- a/src/compositions/member/composition.rs
+++ b/src/compositions/member/composition.rs
@@ -7,6 +7,31 @@ use beteran_common_rust as bcr;
 use diesel::{result::Error, sql_query, RunQueryDsl};
 use std::fmt::Write;
 
+static MEMBER_CHILDREN_COUNT_QUERY: &str = "
+WITH RECURSIVE cte AS (
+  SELECT 
+    id, parent_member_id, 1::integer recursion_level
+  FROM
+    members
+  WHERE 
+    parent_member_id = $1
+  UNION ALL
+  SELECT 
+    m.id, m.parent_member_id, cte.recursion_level +1
+  FROM
+    members m
+    JOIN cte ON cte.id = m.parent_member_id 
+  )
+  SELECT 
+    count(recursion_level) AS count_of_children
+  FROM 
+    cte 
+  group by 
+    recursion_level 
+  order by 
+    recursion_level asc
+";
+
 static MEMBER_PARENTS_QUERY: &str = "
 WITH RECURSIVE rec AS (
 
@@ -548,6 +573,7 @@ impl Composition {
     Ok(Some(models::from_member_model(
       &_m,
       self.select_parent(conn, _m.parent_member_id)?,
+      self.select_children_count(conn, _m.parent_member_id)?,
     )))
   }
 
@@ -584,9 +610,63 @@ impl Composition {
     Ok(Some(models::from_member_model(
       &_m,
       self.select_parent(conn, _m.parent_member_id)?,
+      self.select_children_count(conn, _m.parent_member_id)?,
     )))
   }
 
+  ///
+  pub fn select_children_count(
+    &self,
+    conn: &diesel::PgConnection,
+    parent_member_id: Option<uuid::Uuid>,
+  ) -> Result<Vec<i64>, Error> {
+    use diesel::sql_types::BigInt;
+
+    #[derive(QueryableByName)]
+    struct Count {
+      #[sql_type = "BigInt"]
+      count_of_children: i64,
+    }
+
+    let parent_member_id = match parent_member_id {
+      Some(i) => i,
+      None => {
+        return Ok(vec![]);
+      }
+    };
+
+    let query = format!(
+      "
+    {}
+    ",
+      MEMBER_CHILDREN_COUNT_QUERY
+    );
+
+    let count_of_children = match sql_query(query)
+      .bind::<diesel::sql_types::Uuid, _>(parent_member_id)
+      .get_results::<Count>(conn)
+    {
+      Ok(m) => m,
+      Err(e) => match e {
+        diesel::result::Error::NotFound => vec![],
+        _ => {
+          return Err(e);
+        }
+      },
+    };
+
+    if count_of_children.is_empty() {
+      return Ok(vec![]);
+    }
+
+    let mut p: Vec<i64> = vec![];
+    for c in count_of_children {
+      p.push(c.count_of_children);
+    }
+
+    Ok(p)
+  }
+
   ///
   pub fn select_parent(
     &self,
@@ -626,7 +706,11 @@ impl Composition {
 
     let mut p: Option<models::MemberModel> = None;
     for m in members {
-      p = Some(models::from_member_model(&m, p));
+      p = Some(models::from_member_model(
+        &m,
+        p,
+        self.select_children_count(conn, m.parent_member_id)?,
+      ));
     }
 
     Ok(p)
@@ -920,6 +1004,7 @@ impl Composition {
       list.push(models::from_member_model(
         &_m,
         self.select_parent(conn, _m.parent_member_id)?,
+        self.select_children_count(conn, _m.parent_member_id)?,
       ));
     }
 
diff --git a/src/compositions/member/models.rs b/src/compositions/member/models.rs
index 47bca25..4b69667 100644
--- a/src/compositions/member/models.rs
+++ b/src/compositions/member/models.rs
@@ -212,6 +212,8 @@ pub struct MemberModel {
   ///
   pub parent_member: Option<Box<MemberModel>>,
   ///
+  pub children_count: Vec<i64>,
+  ///
   pub child_member_count: i64,
   ///
   pub mobile_phone_number: Option<String>,
@@ -235,7 +237,7 @@ pub struct MemberModel {
   pub deleted_at: Option<i64>,
 }
 
-pub fn from_member_model(_m: &_MemberModel, p: Option<MemberModel>) -> MemberModel {
+pub fn from_member_model(_m: &_MemberModel, p: Option<MemberModel>, c: Vec<i64>) -> MemberModel {
   MemberModel {
     id: _m.id,
     site: _m.site.clone(),
@@ -246,6 +248,7 @@ pub fn from_member_model(_m: &_MemberModel, p: Option<MemberModel>) -> MemberMod
     password: _m.password.clone(),
     nickname: _m.nickname.clone(),
     parent_member: p.map(Box::new),
+    children_count: c,
     child_member_count: _m.child_member_count,
     mobile_phone_number: _m.mobile_phone_number.clone(),
     state: _m.state,
diff --git a/src/services/member/models.rs b/src/services/member/models.rs
index a935f1e..15017bd 100644
--- a/src/services/member/models.rs
+++ b/src/services/member/models.rs
@@ -71,6 +71,7 @@ impl From<&compositions::member::models::MemberModel> for bpr::models::member::M
         .as_ref()
         .map(|v| Box::<bpr::models::member::MemberModel>::from(v)),
       child_member_count: d.child_member_count as u64,
+      children_count: d.children_count.iter().map(|v| *v as u64).collect(),
       username: d.username.clone(),
       nickname: d.nickname.clone(),
       mobile_phone_number: d.mobile_phone_number.clone(),
@@ -115,6 +116,7 @@ impl From<&Box<compositions::member::models::MemberModel>>
         .as_ref()
         .map(|v| Box::<bpr::models::member::MemberModel>::from(v)),
       child_member_count: d.child_member_count as u64,
+      children_count: d.children_count.iter().map(|v| *v as u64).collect(),
       username: d.username.clone(),
       nickname: d.nickname.clone(),
       mobile_phone_number: d.mobile_phone_number.clone(),