diff --git a/frontend/src/pages/Deploy/Application/List/components/ApplicationModal.tsx b/frontend/src/pages/Deploy/Application/List/components/ApplicationModal.tsx
index e901e5a8..9cc6cca5 100644
--- a/frontend/src/pages/Deploy/Application/List/components/ApplicationModal.tsx
+++ b/frontend/src/pages/Deploy/Application/List/components/ApplicationModal.tsx
@@ -56,12 +56,12 @@ const ApplicationModal: React.FC<ApplicationModalProps> = ({
     initialValues,
     projectGroupId,
 }) => {
-    const [gitInstances, setGitInstances] = useState<ExternalSystemResponse[]>([]);
+    const [externalSystems, setExternalSystems] = useState<ExternalSystemResponse[]>([]);
     const [repositoryGroups, setRepositoryGroups] = useState<RepositoryGroup[]>([]);
     const [repositoryProjects, setRepositoryProjects] = useState<RepositoryProject[]>([]);
     const {toast} = useToast();
     const isEdit = !!initialValues?.id;
-    const [selectedGitInstance, setSelectedGitInstance] = useState<ExternalSystemResponse>();
+    const [selectedExternalSystem, setSelectedExternalSystem] = useState<ExternalSystemResponse>();
 
     const form = useForm<ApplicationFormValues>({
         resolver: zodResolver(applicationFormSchema),
@@ -79,20 +79,20 @@ const ApplicationModal: React.FC<ApplicationModalProps> = ({
         },
     });
 
-    // 加载Git实例列表
-    const loadGitInstances = async () => {
+    // 加载外部系统列表
+    const loadExternalSystems = async () => {
         try {
             const response = await getExternalSystems({
                 type: SystemType.GIT,
                 enabled: true,
             });
             if (response?.content) {
-                setGitInstances(response.content);
+                setExternalSystems(response.content);
             }
         } catch (error) {
             toast({
                 variant: "destructive",
-                title: "加载Git实例失败",
+                title: "加载外部系统失败",
                 description: error instanceof Error ? error.message : undefined,
                 duration: 3000,
             });
@@ -100,7 +100,7 @@ const ApplicationModal: React.FC<ApplicationModalProps> = ({
     };
 
     useEffect(() => {
-        loadGitInstances();
+        loadExternalSystems();
     }, []);
 
     useEffect(() => {
@@ -117,15 +117,15 @@ const ApplicationModal: React.FC<ApplicationModalProps> = ({
                 repoProjectId: initialValues.repoProjectId,
                 projectGroupId: initialValues.projectGroupId,
             });
-            const gitInstance = gitInstances.find(instance => instance.id === initialValues.externalSystemId);
-            if (gitInstance) {
-                setSelectedGitInstance(gitInstance);
+            const externalSystem = externalSystems.find(system => system.id === initialValues.externalSystemId);
+            if (externalSystem) {
+                setSelectedExternalSystem(externalSystem);
             }
         }
-    }, [initialValues, form, gitInstances]);
+    }, [initialValues, form, externalSystems]);
 
-    // 当选择Git实例时，获取对应的仓库组列表
-    const handleGitInstanceChange = (externalSystemId: number) => {
+    // 当选择外部系统时，获取对应的仓库组列表
+    const handleExternalSystemChange = (externalSystemId: number) => {
         form.setValue('repoGroupId', undefined);
         form.setValue('repoProjectId', undefined);
         setRepositoryProjects([]);
@@ -150,12 +150,29 @@ const ApplicationModal: React.FC<ApplicationModalProps> = ({
                     ...values,
                     id: initialValues!.id,
                 });
+                toast({
+                    title: "更新成功",
+                    description: `应用 ${values.appName} 已更新`,
+                    duration: 3000,
+                });
             } else {
                 await createApplication(values);
+                toast({
+                    title: "创建成功",
+                    description: `应用 ${values.appName} 已创建`,
+                    duration: 3000,
+                });
             }
             onSuccess?.();
+            onCancel();
         } catch (e) {
             console.error(e);
+            toast({
+                variant: "destructive",
+                title: isEdit ? "更新失败" : "创建失败",
+                description: e instanceof Error ? e.message : "操作失败，请重试",
+                duration: 3000,
+            });
         }
     };
 
@@ -240,26 +257,26 @@ const ApplicationModal: React.FC<ApplicationModalProps> = ({
                                         name="externalSystemId"
                                         render={({field}) => (
                                             <FormItem>
-                                                <FormLabel>Git实例</FormLabel>
+                                                <FormLabel>外部系统</FormLabel>
                                                 <Select
                                                     onValueChange={(value) => {
                                                         field.onChange(Number(value));
-                                                        handleGitInstanceChange(Number(value));
+                                                        handleExternalSystemChange(Number(value));
                                                     }}
                                                     value={field.value?.toString()}
                                                 >
                                                     <FormControl>
                                                         <SelectTrigger>
-                                                            <SelectValue placeholder="请选择Git实例"/>
+                                                            <SelectValue placeholder="请选择外部系统"/>
                                                         </SelectTrigger>
                                                     </FormControl>
                                                     <SelectContent>
-                                                        {gitInstances.map((instance) => (
+                                                        {externalSystems.map((system) => (
                                                             <SelectItem
-                                                                key={instance.id}
-                                                                value={instance.id.toString()}
+                                                                key={system.id}
+                                                                value={system.id.toString()}
                                                             >
-                                                                {instance.name}
+                                                                {system.name}
                                                             </SelectItem>
                                                         ))}
                                                     </SelectContent>
@@ -299,7 +316,7 @@ const ApplicationModal: React.FC<ApplicationModalProps> = ({
                                                                             (group) => group.id === field.value
                                                                         )?.fullName || "请选择代码仓库组"
                                                                         : !form.watch('externalSystemId')
-                                                                            ? "请先选择Git实例"
+                                                                            ? "请先选择外部系统"
                                                                             : "请选择代码仓库组"}
                                                                     <ChevronDown className="ml-2 h-4 w-4 shrink-0 opacity-50" />
                                                                 </Button>