diff --git a/deploy.sh b/deploy.sh
new file mode 100644
index 00000000..ca6e8f09
--- /dev/null
+++ b/deploy.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+set -e
+cd /opt/3x-uiRsNest
+
+echo "=== Сборка бэкенда ==="
+go build -o x-ui main.go
+
+echo "=== Остановка x-ui ==="
+systemctl stop x-ui
+
+echo "=== Замена бинарника ==="
+cp x-ui /usr/local/x-ui/x-ui
+
+echo "=== Запуск x-ui ==="
+systemctl start x-ui
+systemctl status x-ui
diff --git a/web/controller/inbound.go b/web/controller/inbound.go
index b012ec95..a7410b04 100644
--- a/web/controller/inbound.go
+++ b/web/controller/inbound.go
@@ -41,6 +41,7 @@ func (a *InboundController) initRouter(g *gin.RouterGroup) {
 	g.POST("/clientIps/:email", a.getClientIps)
 	g.POST("/clearClientIps/:email", a.clearClientIps)
 	g.POST("/addClient", a.addInboundClient)
+	g.POST("/:id/copyClients", a.copyInboundClients)
 	g.POST("/:id/delClient/:clientId", a.delInboundClient)
 	g.POST("/updateClient/:clientId", a.updateInboundClient)
 	g.POST("/:id/resetClientTraffic/:email", a.resetClientTraffic)
@@ -54,6 +55,11 @@ func (a *InboundController) initRouter(g *gin.RouterGroup) {
 	g.POST("/:id/delClientByEmail/:email", a.delInboundClientByEmail)
 }
 
+type CopyInboundClientsRequest struct {
+	SourceInboundID int      `json:"sourceInboundId"`
+	ClientEmails    []string `json:"clientEmails"`
+}
+
 // getInbounds retrieves the list of inbounds for the logged-in user.
 func (a *InboundController) getInbounds(c *gin.Context) {
 	user := session.GetLoginUser(c)
@@ -260,6 +266,36 @@ func (a *InboundController) addInboundClient(c *gin.Context) {
 	}
 }
 
+// copyInboundClients copies clients from source inbound to target inbound.
+func (a *InboundController) copyInboundClients(c *gin.Context) {
+	targetID, err := strconv.Atoi(c.Param("id"))
+	if err != nil {
+		jsonMsg(c, I18nWeb(c, "somethingWentWrong"), err)
+		return
+	}
+
+	req := &CopyInboundClientsRequest{}
+	err = c.ShouldBindJSON(req)
+	if err != nil {
+		jsonMsg(c, I18nWeb(c, "somethingWentWrong"), err)
+		return
+	}
+	if req.SourceInboundID <= 0 {
+		jsonMsg(c, I18nWeb(c, "somethingWentWrong"), fmt.Errorf("invalid source inbound id"))
+		return
+	}
+
+	result, needRestart, err := a.inboundService.CopyInboundClients(targetID, req.SourceInboundID, req.ClientEmails)
+	if err != nil {
+		jsonMsg(c, I18nWeb(c, "somethingWentWrong"), err)
+		return
+	}
+	jsonObj(c, result, nil)
+	if needRestart {
+		a.xrayService.SetToNeedRestart()
+	}
+}
+
 // delInboundClient deletes a client from an inbound by inbound ID and client ID.
 func (a *InboundController) delInboundClient(c *gin.Context) {
 	id, err := strconv.Atoi(c.Param("id"))
diff --git a/web/html/inbounds.html b/web/html/inbounds.html
index 60de0750..324b2c01 100644
--- a/web/html/inbounds.html
+++ b/web/html/inbounds.html
@@ -262,6 +262,10 @@
                               <a-icon type="usergroup-add"></a-icon>
                               {{ i18n "pages.client.bulk"}}
                             </a-menu-item>
+                            <a-menu-item key="copyClients">
+                              <a-icon type="copy"></a-icon>
+                              {{ i18n "pages.client.copyFromInbound"}}
+                            </a-menu-item>
                             <a-menu-item key="resetClients">
                               <a-icon type="file-done"></a-icon>
                               {{ i18n
@@ -777,6 +781,58 @@
 {{template "modals/inboundInfoModal"}}
 {{template "modals/clientsModal"}}
 {{template "modals/clientsBulkModal"}}
+<a-modal :title="copyClientsModal.title"
+  :visible="copyClientsModal.visible"
+  :confirm-loading="copyClientsModal.confirmLoading"
+  :ok-text="i18n('pages.client.copySelected')"
+  :cancel-text="i18n('cancel')"
+  :class="themeSwitcher.currentTheme"
+  @ok="submitCopyClients"
+  @cancel="closeCopyClientsModal"
+  width="900px">
+  <a-space direction="vertical" style="width: 100%;">
+    <div>
+      <div style="margin-bottom: 6px;">{{ i18n "pages.client.copySource" }}</div>
+      <a-select v-model="copyClientsModal.sourceInboundId"
+        style="width: 100%;"
+        :dropdown-class-name="themeSwitcher.currentTheme"
+        @change="onCopySourceChange">
+        <a-select-option v-for="item in copyClientsModal.sources"
+          :key="item.id"
+          :value="item.id">
+          [[ item.label ]]
+        </a-select-option>
+      </a-select>
+    </div>
+    <div v-if="copyClientsModal.sourceInboundId > 0">
+      <a-space style="margin-bottom: 10px;">
+        <a-button size="small" @click="selectAllCopyClients">{{ i18n "pages.client.selectAll" }}</a-button>
+        <a-button size="small" @click="clearAllCopyClients">{{ i18n "pages.client.clearAll" }}</a-button>
+      </a-space>
+      <a-table :columns="copyClientsColumns"
+        :data-source="copyClientsModal.sourceClients"
+        :pagination="false"
+        size="small"
+        :row-key="item => item.email"
+        :scroll="{ y: 280 }">
+        <template slot="emailCheckbox" slot-scope="text, record">
+          <a-checkbox :checked="copyClientsModal.selectedEmails.includes(record.email)"
+            @change="event => toggleCopyClientEmail(record.email, event.target.checked)">
+            [[ record.email ]]
+          </a-checkbox>
+        </template>
+      </a-table>
+    </div>
+    <div v-if="copyClientsModal.selectedEmails.length > 0">
+      <div style="margin-bottom: 4px;">{{ i18n "pages.client.copyEmailPreview" }}</div>
+      <div style="max-height: 120px; overflow-y: auto;">
+        <a-tag v-for="preview in copyClientsPreviewEmails" :key="preview" style="margin-bottom: 4px;">
+          [[ preview ]]
+        </a-tag>
+      </div>
+    </div>
+  </a-space>
+</a-modal>
 <script>
   const columns = [{
     title: "ID",
@@ -869,6 +925,11 @@
     { title: '{{ i18n "pages.inbounds.client" }}', width: 90, align: 'left', scopedSlots: { customRender: 'client' } },
     { title: '{{ i18n "pages.inbounds.info" }}', width: 10, align: 'center', scopedSlots: { customRender: 'info' } },
   ];
+  const copyClientsColumns = [
+    { title: '{{ i18n "pages.inbounds.email" }}', width: 300, scopedSlots: { customRender: 'emailCheckbox' } },
+    { title: '{{ i18n "pages.inbounds.traffic" }}', width: 160, dataIndex: 'trafficLabel' },
+    { title: '{{ i18n "pages.inbounds.expireDate" }}', width: 180, dataIndex: 'expiryLabel' },
+  ];
 
   const app = new Vue({
     delimiters: ['[[', ']]'],
@@ -910,6 +971,18 @@
       showAlert: false,
       ipLimitEnable: false,
       pageSize: 0,
+      copyClientsColumns,
+      copyClientsModal: {
+        visible: false,
+        confirmLoading: false,
+        title: '',
+        targetInboundId: 0,
+        targetInboundRemark: '',
+        sourceInboundId: 0,
+        sources: [],
+        sourceClients: [],
+        selectedEmails: [],
+      },
     },
     methods: {
       loading(spinning = true) {
@@ -1135,6 +1208,9 @@
           case "addBulkClient":
             this.openAddBulkClient(dbInbound.id)
             break;
+          case "copyClients":
+            this.openCopyClientsModal(dbInbound.id);
+            break;
           case "export":
             this.inboundLinks(dbInbound.id);
             break;
@@ -1298,6 +1374,96 @@
           },
         });
       },
+      openCopyClientsModal(dbInboundId) {
+        const targetInbound = this.dbInbounds.find(row => row.id === dbInboundId);
+        if (!targetInbound) {
+          return;
+        }
+        const sources = this.dbInbounds
+          .filter(row => row.id !== dbInboundId)
+          .map(row => {
+            const clients = this.getInboundClients(row) || [];
+            return {
+              id: row.id,
+              label: `${row.remark} (${row.protocol}, ${clients.length})`,
+            };
+          });
+        this.copyClientsModal.visible = true;
+        this.copyClientsModal.confirmLoading = false;
+        this.copyClientsModal.targetInboundId = dbInboundId;
+        this.copyClientsModal.targetInboundRemark = targetInbound.remark;
+        this.copyClientsModal.title = `{{ i18n "pages.client.copyToInbound" }} ${targetInbound.remark}`;
+        this.copyClientsModal.sources = sources;
+        this.copyClientsModal.sourceInboundId = 0;
+        this.copyClientsModal.sourceClients = [];
+        this.copyClientsModal.selectedEmails = [];
+      },
+      closeCopyClientsModal() {
+        this.copyClientsModal.visible = false;
+        this.copyClientsModal.confirmLoading = false;
+      },
+      onCopySourceChange(sourceInboundId) {
+        const sourceInbound = this.dbInbounds.find(row => row.id === sourceInboundId);
+        if (!sourceInbound) {
+          this.copyClientsModal.sourceClients = [];
+          this.copyClientsModal.selectedEmails = [];
+          return;
+        }
+        const sourceClients = this.getInboundClients(sourceInbound) || [];
+        this.copyClientsModal.sourceClients = sourceClients.map(client => {
+          const stats = this.getClientStats(sourceInbound, client.email);
+          const used = stats ? (stats.up + stats.down) : 0;
+          return {
+            email: client.email,
+            trafficLabel: SizeFormatter.sizeFormat(used),
+            expiryLabel: client.expiryTime > 0 ? IntlUtil.formatDate(client.expiryTime) : '{{ i18n "unlimited" }}',
+          };
+        });
+        this.copyClientsModal.selectedEmails = [];
+      },
+      toggleCopyClientEmail(email, checked) {
+        const selected = this.copyClientsModal.selectedEmails.slice();
+        if (checked) {
+          if (!selected.includes(email)) {
+            selected.push(email);
+          }
+        } else {
+          const idx = selected.indexOf(email);
+          if (idx >= 0) {
+            selected.splice(idx, 1);
+          }
+        }
+        this.copyClientsModal.selectedEmails = selected;
+      },
+      selectAllCopyClients() {
+        this.copyClientsModal.selectedEmails = this.copyClientsModal.sourceClients.map(item => item.email);
+      },
+      clearAllCopyClients() {
+        this.copyClientsModal.selectedEmails = [];
+      },
+      async submitCopyClients() {
+        if (!this.copyClientsModal.sourceInboundId) {
+          this.$message.error('{{ i18n "pages.client.copySelectSourceFirst" }}');
+          return;
+        }
+        this.copyClientsModal.confirmLoading = true;
+        const payload = {
+          sourceInboundId: this.copyClientsModal.sourceInboundId,
+          clientEmails: this.copyClientsModal.selectedEmails,
+        };
+        const msg = await HttpUtil.post(`/panel/api/inbounds/${this.copyClientsModal.targetInboundId}/copyClients`, payload);
+        this.copyClientsModal.confirmLoading = false;
+        if (!msg.success) {
+          return;
+        }
+        const obj = msg.obj || {};
+        const addedCount = (obj.added || []).length;
+        const skippedCount = (obj.skipped || []).length;
+        const errorCount = (obj.errors || []).length;
+        this.$message.success(`{{ i18n "pages.client.copyResult" }}: +${addedCount}, ~${skippedCount}, !${errorCount}`);
+        this.closeCopyClientsModal();
+        await this.getDBInbounds();
+      },
       openEditClient(dbInboundId, client) {
         dbInbound = this.dbInbounds.find(row => row.id === dbInboundId);
         if (!dbInbound) return;
@@ -1913,6 +2079,10 @@
       }
     },
     computed: {
+      copyClientsPreviewEmails() {
+        if (!this.copyClientsModal.targetInboundId) return [];
+        return this.copyClientsModal.selectedEmails.map(email => `${email}_${this.copyClientsModal.targetInboundId}`);
+      },
       total() {
         let down = 0, up = 0, allTime = 0;
         let clients = 0, deactive = [], depleted = [], expiring = [];
diff --git a/web/service/inbound.go b/web/service/inbound.go
index 5153b700..823ece7f 100644
--- a/web/service/inbound.go
+++ b/web/service/inbound.go
@@ -10,6 +10,7 @@ import (
 	"strings"
 	"time"
 
+	"github.com/google/uuid"
 	"github.com/mhsanaei/3x-ui/v2/database"
 	"github.com/mhsanaei/3x-ui/v2/database/model"
 	"github.com/mhsanaei/3x-ui/v2/logger"
@@ -26,6 +27,12 @@ type InboundService struct {
 	xrayApi xray.XrayAPI
 }
 
+type CopyClientsResult struct {
+	Added   []string `json:"added"`
+	Skipped []string `json:"skipped"`
+	Errors  []string `json:"errors"`
+}
+
 // GetInbounds retrieves all inbounds for a specific user.
 // Returns a slice of inbound models with their associated client statistics.
 func (s *InboundService) GetInbounds(userId int) ([]*model.Inbound, error) {
@@ -750,6 +757,196 @@ func (s *InboundService) AddInboundClient(data *model.Inbound) (bool, error) {
 	return needRestart, tx.Save(oldInbound).Error
 }
 
+func (s *InboundService) getClientPrimaryKey(protocol model.Protocol, client model.Client) string {
+	switch protocol {
+	case model.Trojan:
+		return client.Password
+	case model.Shadowsocks:
+		return client.Email
+	case model.Hysteria:
+		return client.Auth
+	default:
+		return client.ID
+	}
+}
+
+func (s *InboundService) writeBackClientSubID(sourceInboundID int, sourceProtocol model.Protocol, client model.Client, subID string) (bool, error) {
+	client.SubID = subID
+	client.UpdatedAt = time.Now().UnixMilli()
+	clientID := s.getClientPrimaryKey(sourceProtocol, client)
+	if clientID == "" {
+		return false, common.NewError("empty client ID")
+	}
+
+	settingsBytes, err := json.Marshal(map[string][]model.Client{
+		"clients": []model.Client{client},
+	})
+	if err != nil {
+		return false, err
+	}
+
+	updatePayload := &model.Inbound{
+		Id:       sourceInboundID,
+		Settings: string(settingsBytes),
+	}
+	return s.UpdateInboundClient(updatePayload, clientID)
+}
+
+func (s *InboundService) generateRandomCredential(targetProtocol model.Protocol) string {
+	switch targetProtocol {
+	case model.VMESS, model.VLESS:
+		return uuid.NewString()
+	default:
+		return strings.ReplaceAll(uuid.NewString(), "-", "")
+	}
+}
+
+func (s *InboundService) buildTargetClientFromSource(source model.Client, targetProtocol model.Protocol, email string) (model.Client, error) {
+	nowTs := time.Now().UnixMilli()
+	target := source
+	target.Email = email
+	target.CreatedAt = nowTs
+	target.UpdatedAt = nowTs
+
+	target.ID = ""
+	target.Password = ""
+	target.Auth = ""
+
+	switch targetProtocol {
+	case model.VMESS, model.VLESS:
+		target.ID = s.generateRandomCredential(targetProtocol)
+	case model.Trojan, model.Shadowsocks:
+		target.Password = s.generateRandomCredential(targetProtocol)
+	case model.Hysteria:
+		target.Auth = s.generateRandomCredential(targetProtocol)
+	default:
+		target.ID = s.generateRandomCredential(targetProtocol)
+	}
+
+	return target, nil
+}
+
+func (s *InboundService) nextAvailableCopiedEmail(originalEmail string, targetID int, occupied map[string]struct{}) string {
+	base := fmt.Sprintf("%s_%d", originalEmail, targetID)
+	candidate := base
+	suffix := 0
+	for {
+		if _, exists := occupied[strings.ToLower(candidate)]; !exists {
+			occupied[strings.ToLower(candidate)] = struct{}{}
+			return candidate
+		}
+		suffix++
+		candidate = fmt.Sprintf("%s_%d", base, suffix)
+	}
+}
+
+func (s *InboundService) CopyInboundClients(targetInboundID int, sourceInboundID int, clientEmails []string) (*CopyClientsResult, bool, error) {
+	result := &CopyClientsResult{
+		Added:   []string{},
+		Skipped: []string{},
+		Errors:  []string{},
+	}
+	if targetInboundID == sourceInboundID {
+		return result, false, common.NewError("source and target inbounds must be different")
+	}
+
+	targetInbound, err := s.GetInbound(targetInboundID)
+	if err != nil {
+		return result, false, err
+	}
+	sourceInbound, err := s.GetInbound(sourceInboundID)
+	if err != nil {
+		return result, false, err
+	}
+
+	sourceClients, err := s.GetClients(sourceInbound)
+	if err != nil {
+		return result, false, err
+	}
+	if len(sourceClients) == 0 {
+		return result, false, nil
+	}
+
+	allowedEmails := map[string]struct{}{}
+	if len(clientEmails) > 0 {
+		for _, email := range clientEmails {
+			allowedEmails[strings.ToLower(strings.TrimSpace(email))] = struct{}{}
+		}
+	}
+
+	occupiedEmails := map[string]struct{}{}
+	allEmails, err := s.getAllEmails()
+	if err != nil {
+		return result, false, err
+	}
+	for _, email := range allEmails {
+		clean := strings.Trim(email, "\"")
+		if clean != "" {
+			occupiedEmails[strings.ToLower(clean)] = struct{}{}
+		}
+	}
+
+	newClients := make([]model.Client, 0)
+	needRestart := false
+	for _, sourceClient := range sourceClients {
+		originalEmail := strings.TrimSpace(sourceClient.Email)
+		if originalEmail == "" {
+			continue
+		}
+		if len(allowedEmails) > 0 {
+			if _, ok := allowedEmails[strings.ToLower(originalEmail)]; !ok {
+				continue
+			}
+		}
+
+		if sourceClient.SubID == "" {
+			newSubID := uuid.NewString()
+			subNeedRestart, subErr := s.writeBackClientSubID(sourceInbound.Id, sourceInbound.Protocol, sourceClient, newSubID)
+			if subErr != nil {
+				result.Errors = append(result.Errors, fmt.Sprintf("%s: failed to write source subId: %v", originalEmail, subErr))
+				continue
+			}
+			if subNeedRestart {
+				needRestart = true
+			}
+			sourceClient.SubID = newSubID
+		}
+
+		targetEmail := s.nextAvailableCopiedEmail(originalEmail, targetInboundID, occupiedEmails)
+		targetClient, buildErr := s.buildTargetClientFromSource(sourceClient, targetInbound.Protocol, targetEmail)
+		if buildErr != nil {
+			result.Errors = append(result.Errors, fmt.Sprintf("%s: %v", originalEmail, buildErr))
+			continue
+		}
+		newClients = append(newClients, targetClient)
+		result.Added = append(result.Added, targetEmail)
+	}
+
+	if len(newClients) == 0 {
+		return result, needRestart, nil
+	}
+
+	settingsPayload, err := json.Marshal(map[string][]model.Client{
+		"clients": newClients,
+	})
+	if err != nil {
+		return result, needRestart, err
+	}
+
+	addNeedRestart, err := s.AddInboundClient(&model.Inbound{
+		Id:       targetInboundID,
+		Settings: string(settingsPayload),
+	})
+	if err != nil {
+		return result, needRestart, err
+	}
+	if addNeedRestart {
+		needRestart = true
+	}
+
+	return result, needRestart, nil
+}
+
 func (s *InboundService) DelInboundClient(inboundId int, clientId string) (bool, error) {
 	oldInbound, err := s.GetInbound(inboundId)
 	if err != nil {
diff --git a/web/translation/translate.en_US.toml b/web/translation/translate.en_US.toml
index 91580a29..497717ef 100644
--- a/web/translation/translate.en_US.toml
+++ b/web/translation/translate.en_US.toml
@@ -298,6 +298,15 @@
 "submitEdit" = "Save Changes"
 "clientCount" = "Number of Clients"
 "bulk" = "Add Bulk"
+"copyFromInbound" = "Copy Clients from Inbound"
+"copyToInbound" = "Copy clients to"
+"copySelected" = "Copy Selected"
+"copySource" = "Source"
+"copyEmailPreview" = "Resulting email preview"
+"copySelectSourceFirst" = "Please select a source inbound first."
+"copyResult" = "Copy result"
+"selectAll" = "Select all"
+"clearAll" = "Clear all"
 "method" = "Method"
 "first" = "First"
 "last" = "Last"
diff --git a/web/translation/translate.ru_RU.toml b/web/translation/translate.ru_RU.toml
index 0c144ff5..80d22791 100644
--- a/web/translation/translate.ru_RU.toml
+++ b/web/translation/translate.ru_RU.toml
@@ -298,6 +298,15 @@
 "submitEdit" = "Сохранить изменения"
 "clientCount" = "Количество клиентов"
 "bulk" = "Добавить несколько"
+"copyFromInbound" = "Скопировать клиентов из инбаунда"
+"copyToInbound" = "Скопировать клиентов в"
+"copySelected" = "Скопировать выбранных"
+"copySource" = "Источник"
+"copyEmailPreview" = "Предпросмотр итоговых email"
+"copySelectSourceFirst" = "Сначала выберите источник."
+"copyResult" = "Результат копирования"
+"selectAll" = "Выбрать всех"
+"clearAll" = "Снять всё"
 "method" = "Метод"
 "first" = "Первый"
 "last" = "Последний"