diff --git a/src/components/ModeTree.vue b/src/components/ModeTree.vue
index 5112f4b..b8a36da 100644
--- a/src/components/ModeTree.vue
+++ b/src/components/ModeTree.vue
@@ -217,36 +217,69 @@ export default defineComponent({
       loga(a: any) {
         console.log(a);
       },
-      async deleteItem(
-        evt: PointerEvent | null,
-        is_group: boolean,
-        uuid: string
-      ) {
+      deleteItem(evt: PointerEvent | null, is_group: boolean, uuid: string) {
+        const show_tooltip = (success: boolean) => {
+          $q.notify({
+            color: success ? "positive" : "negative",
+            icon: success ? "done" : "warning",
+            message:
+              $t.t("delete") + (success ? $t.t("success") : $t.t("fail")) + "!",
+            position: "top",
+            timeout: 1500,
+          });
+        };
         let success = false;
         if (is_group) {
-          let response = await GlobalData.getInstance()
-            .getCurrentClient()
-            ?.deleteModeGroup(uuid);
-          if (response) {
-            success = response.success;
-          }
+          $q.dialog({
+            title: $t.t("Confirm"),
+            message: $t.t(
+              "delete group should be delete all child! do you want to delete this group?"
+            ),
+            ok: {
+              label: $t.t("ok"),
+              noCaps: true,
+              flat: true,
+            },
+            cancel: {
+              label: $t.t("cancel"),
+              noCaps: true,
+              flat: true,
+            },
+            persistent: true,
+          }).onOk(async () => {
+            let response = await GlobalData.getInstance()
+              .getCurrentClient()
+              ?.deleteModeGroup(uuid);
+            if (response) {
+              success = response.success;
+            }
+            show_tooltip(success);
+          });
         } else {
-          let response = await GlobalData.getInstance()
-            .getCurrentClient()
-            ?.deleteMode(uuid);
-          if (response) {
-            success = response.success;
-          }
+          $q.dialog({
+            title: $t.t("Confirm"),
+            message: $t.t("do you want to delete the item") + "?",
+            ok: {
+              label: $t.t("ok"),
+              noCaps: true,
+              flat: true,
+            },
+            cancel: {
+              label: $t.t("cancel"),
+              noCaps: true,
+              flat: true,
+            },
+            persistent: true,
+          }).onOk(async () => {
+            let response = await GlobalData.getInstance()
+              .getCurrentClient()
+              ?.deleteMode(uuid);
+            if (response) {
+              success = response.success;
+            }
+            show_tooltip(success);
+          });
         }
-
-        $q.notify({
-          color: success ? "positive" : "negative",
-          icon: success ? "done" : "warning",
-          message:
-            $t.t("delete") + (success ? $t.t("success") : $t.t("fail")) + "!",
-          position: "top",
-          timeout: 1500,
-        });
       },
       callMode(item: ModeEntity) {
         GlobalData.getInstance().getCurrentClient()?.callMode(item.uuid);
diff --git a/src/components/PlanTree.vue b/src/components/PlanTree.vue
index 7da42a6..14c3d79 100644
--- a/src/components/PlanTree.vue
+++ b/src/components/PlanTree.vue
@@ -224,36 +224,70 @@ export default defineComponent({
       loga(a: any) {
         console.log(a);
       },
-      async deleteItem(
-        evt: MouseEvent | null,
-        is_group: boolean,
-        uuid: string
-      ) {
-        let success = false;
+      deleteItem(evt: MouseEvent | null, is_group: boolean, uuid: string) {
+        const show_tooltip = (success: boolean) => {
+          $q.notify({
+            color: success ? "positive" : "negative",
+            icon: success ? "done" : "warning",
+            message:
+              $t.t("delete") + (success ? $t.t("success") : $t.t("fail")) + "!",
+            position: "top",
+            timeout: 1500,
+          });
+        };
         if (is_group) {
-          let response = await GlobalData.getInstance()
-            .getCurrentClient()
-            ?.deletePlanGroup(uuid);
-          if (response) {
-            success = response.success;
-          }
+          $q.dialog({
+            title: $t.t("Confirm"),
+            message: $t.t(
+              "delete group should be delete all child! do you want to delete this group?"
+            ),
+            ok: {
+              label: $t.t("ok"),
+              noCaps: true,
+              flat: true,
+            },
+            cancel: {
+              label: $t.t("cancel"),
+              noCaps: true,
+              flat: true,
+            },
+            persistent: true,
+          }).onOk(async () => {
+            let success = false;
+            let response = await GlobalData.getInstance()
+              .getCurrentClient()
+              ?.deletePlanGroup(uuid);
+            if (response) {
+              success = response.success;
+            }
+            show_tooltip(success);
+          });
         } else {
-          let response = await GlobalData.getInstance()
-            .getCurrentClient()
-            ?.deletePlan(uuid);
-          if (response) {
-            success = response.success;
-          }
+          $q.dialog({
+            title: $t.t("Confirm"),
+            message: $t.t("do you want to delete the item") + "?",
+            ok: {
+              label: $t.t("ok"),
+              noCaps: true,
+              flat: true,
+            },
+            cancel: {
+              label: $t.t("cancel"),
+              noCaps: true,
+              flat: true,
+            },
+            persistent: true,
+          }).onOk(async () => {
+            let success = false;
+            let response = await GlobalData.getInstance()
+              .getCurrentClient()
+              ?.deletePlan(uuid);
+            if (response) {
+              success = response.success;
+            }
+            show_tooltip(success);
+          });
         }
-
-        $q.notify({
-          color: success ? "positive" : "negative",
-          icon: success ? "done" : "warning",
-          message:
-            $t.t("delete") + (success ? $t.t("success") : $t.t("fail")) + "!",
-          position: "top",
-          timeout: 1500,
-        });
       },
       runPlan(item: PlanEntity) {
         if (!$store.state.power_state) {
diff --git a/src/components/PollingTree.vue b/src/components/PollingTree.vue
index 2a0a933..db8f854 100644
--- a/src/components/PollingTree.vue
+++ b/src/components/PollingTree.vue
@@ -177,35 +177,72 @@ export default defineComponent({
       loga(a: any) {
         console.log(a);
       },
-      async deleteItem(
-        evt: PointerEvent | null,
-        is_group: boolean,
-        uuid: string
-      ) {
-        let success = false;
+      deleteItem(evt: PointerEvent | null, is_group: boolean, uuid: string) {
+        const show_tooltip = (success: boolean) => {
+          $q.notify({
+            color: success ? "positive" : "negative",
+            icon: success ? "done" : "warning",
+            message:
+              $t.t("delete") + (success ? $t.t("success") : $t.t("fail")) + "!",
+            position: "top",
+            timeout: 1500,
+          });
+        };
         if (is_group) {
-          let response = await GlobalData.getInstance()
-            .getCurrentClient()
-            ?.deletePollingGroup(uuid);
-          if (response) {
-            success = response.success;
-          }
+          $q.dialog({
+            title: $t.t("Confirm"),
+            message: $t.t(
+              "delete group should be delete all child! do you want to delete this group?"
+            ),
+            ok: {
+              label: $t.t("ok"),
+              noCaps: true,
+              flat: true,
+            },
+            cancel: {
+              label: $t.t("cancel"),
+              noCaps: true,
+              flat: true,
+            },
+            persistent: true,
+          }).onOk(async () => {
+            let success = false;
+
+            let response = await GlobalData.getInstance()
+              .getCurrentClient()
+              ?.deletePollingGroup(uuid);
+            if (response) {
+              success = response.success;
+            }
+            show_tooltip(success);
+          });
         } else {
-          let response = await GlobalData.getInstance()
-            .getCurrentClient()
-            ?.deletePolling(uuid);
-          if (response) {
-            success = response.success;
-          }
+          $q.dialog({
+            title: $t.t("Confirm"),
+            message: $t.t("do you want to delete the item") + "?",
+            ok: {
+              label: $t.t("ok"),
+              noCaps: true,
+              flat: true,
+            },
+            cancel: {
+              label: $t.t("cancel"),
+              noCaps: true,
+              flat: true,
+            },
+            persistent: true,
+          }).onOk(async () => {
+            let success = false;
+
+            let response = await GlobalData.getInstance()
+              .getCurrentClient()
+              ?.deletePolling(uuid);
+            if (response) {
+              success = response.success;
+            }
+            show_tooltip(success);
+          });
         }
-        $q.notify({
-          color: success ? "positive" : "negative",
-          icon: success ? "done" : "warning",
-          message:
-            $t.t("delete") + (success ? $t.t("success") : $t.t("fail")) + "!",
-          position: "top",
-          timeout: 1500,
-        });
       },
       onDragStart(e: DragEvent, node: PollingTreeItemEntity) {
         e.dataTransfer?.setData("uuid", node.uuid);
diff --git a/src/components/SignalSourceTree.vue b/src/components/SignalSourceTree.vue
index b8d067d..07bfee3 100644
--- a/src/components/SignalSourceTree.vue
+++ b/src/components/SignalSourceTree.vue
@@ -318,42 +318,74 @@ export default defineComponent({
       getItemIcon(item_type: string) {
         return Common.getSignalSourceIcon(item_type);
       },
-      async deleteItem(
-        evt: PointerEvent | null,
-        is_group: boolean,
-        uuid: string
-      ) {
-        let success = false;
+      deleteItem(evt: PointerEvent | null, is_group: boolean, uuid: string) {
+        const show_tooltip = (success: boolean) => {
+          $q.notify({
+            color: success ? "positive" : "negative",
+            icon: success ? "done" : "warning",
+            message:
+              $t.t("delete") + (success ? $t.t("success") : $t.t("fail")) + "!",
+            position: "top",
+            timeout: 1500,
+          });
+        };
         if (is_group) {
-          let response = await GlobalData.getInstance()
-            .getCurrentClient()
-            ?.deleteSignalSourceGroup(uuid);
-          if (response) {
-            success = response.success;
-          }
-        } else {
-          let response = await GlobalData.getInstance()
-            .getCurrentClient()
-            ?.deleteSignalSource(uuid);
-          if (response) {
-            success = response.success;
-          }
-        }
+          $q.dialog({
+            title: $t.t("Confirm"),
+            message: $t.t(
+              "delete group should be delete all child! do you want to delete this group?"
+            ),
+            ok: {
+              label: $t.t("ok"),
+              noCaps: true,
+              flat: true,
+            },
+            cancel: {
+              label: $t.t("cancel"),
+              noCaps: true,
+              flat: true,
+            },
+            persistent: true,
+          }).onOk(async () => {
+            let success = false;
 
-        $q.notify({
-          color: success ? "positive" : "negative",
-          icon: success ? "done" : "warning",
-          message:
-            $t.t("delete") + (success ? $t.t("success") : $t.t("fail")) + "!",
-          position: "top",
-          timeout: 1500,
-        });
-      },
-      updateContextMenu() {
-        lossy_pic.value =
-          (GlobalData.getInstance().applicationConfig?.hdmi_in_decode_type_1 ??
-            "NV12") == "NV12";
+            let response = await GlobalData.getInstance()
+              .getCurrentClient()
+              ?.deleteSignalSourceGroup(uuid);
+            if (response) {
+              success = response.success;
+            }
+            show_tooltip(success);
+          });
+        } else {
+          $q.dialog({
+            title: $t.t("Confirm"),
+            message: $t.t("do you want to delete the item") + "?",
+            ok: {
+              label: $t.t("ok"),
+              noCaps: true,
+              flat: true,
+            },
+            cancel: {
+              label: $t.t("cancel"),
+              noCaps: true,
+              flat: true,
+            },
+            persistent: true,
+          }).onOk(async () => {
+            let success = false;
+
+            let response = await GlobalData.getInstance()
+              .getCurrentClient()
+              ?.deleteSignalSource(uuid);
+            if (response) {
+              success = response.success;
+            }
+            show_tooltip(success);
+          });
+        }
       },
+      updateContextMenu() {},
       async setHdmiInDecodeType(index: number, type: string) {
         let success = false;
 
diff --git a/src/i18n/en-US/index.ts b/src/i18n/en-US/index.ts
index 07e79f4..b0020ea 100644
--- a/src/i18n/en-US/index.ts
+++ b/src/i18n/en-US/index.ts
@@ -332,4 +332,7 @@ export default {
   "send power off command": "Send Power Off Command",
   "set subtitle success": "Set OSD Success",
   "stop polling": "Stop Signal Loop",
+  "delete group should be delete all child! do you want to delete this group?":
+    "Delete Group Should Be Delete All Child! Do You Want To Delete This Group?",
+  "do you want to delete the item": "Do You Want To Delete The Item",
 };
diff --git a/src/i18n/zh-CN/index.ts b/src/i18n/zh-CN/index.ts
index e6d0a49..02aaad1 100644
--- a/src/i18n/zh-CN/index.ts
+++ b/src/i18n/zh-CN/index.ts
@@ -609,4 +609,7 @@ export default {
   real: "实际",
   "current real": "当前实际",
   "the port number must be between 0 and 65535": "端口号只能在0~65535之间",
+  "delete group should be delete all child! do you want to delete this group?":
+    "删除组会删除组里面所有的子项目! 确定要删除该组吗?",
+  "do you want to delete the item": "确定删除该项目吗",
 };