diff --git a/backend/package.json b/backend/package.json
index 6d5e44e..d947dde 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sub-store",
-  "version": "2.16.40",
+  "version": "2.16.41",
   "description": "Advanced Subscription Manager for QX, Loon, Surge, Stash and Shadowrocket.",
   "main": "src/main.js",
   "scripts": {
diff --git a/backend/src/restful/collections.js b/backend/src/restful/collections.js
index f6ff1b3..cdf29cb 100644
--- a/backend/src/restful/collections.js
+++ b/backend/src/restful/collections.js
@@ -59,7 +59,18 @@ function getCollection(req, res) {
             res.set('content-type', 'application/json')
                 .set(
                     'content-disposition',
-                    `attachment; filename="${encodeURIComponent(name)}.json"`,
+                    `attachment; filename="${encodeURIComponent(
+                        `sub-store_collection_${name}_${new Date()
+                            .toLocaleString('zh-CN', {
+                                year: 'numeric',
+                                day: 'numeric',
+                                month: 'numeric',
+                                hour: 'numeric',
+                                minute: 'numeric',
+                                second: 'numeric',
+                            })
+                            .replace(/\D/g, '')}.json`,
+                    )}"`,
                 )
                 .send(JSON.stringify(collection));
         } else {
diff --git a/backend/src/restful/file.js b/backend/src/restful/file.js
index 210d9ff..51ee72e 100644
--- a/backend/src/restful/file.js
+++ b/backend/src/restful/file.js
@@ -209,7 +209,18 @@ function getWholeFile(req, res) {
             res.set('content-type', 'application/json')
                 .set(
                     'content-disposition',
-                    `attachment; filename="${encodeURIComponent(name)}.json"`,
+                    `attachment; filename="${encodeURIComponent(
+                        `sub-store_file_${name}_${new Date()
+                            .toLocaleString('zh-CN', {
+                                year: 'numeric',
+                                day: 'numeric',
+                                month: 'numeric',
+                                hour: 'numeric',
+                                minute: 'numeric',
+                                second: 'numeric',
+                            })
+                            .replace(/\D/g, '')}.json`,
+                    )}"`,
                 )
                 .send(JSON.stringify(file));
         } else {
diff --git a/backend/src/restful/miscs.js b/backend/src/restful/miscs.js
index 4d90fe6..ea650a5 100644
--- a/backend/src/restful/miscs.js
+++ b/backend/src/restful/miscs.js
@@ -27,7 +27,18 @@ export default function register($app) {
             res.set('content-type', 'application/json')
                 .set(
                     'content-disposition',
-                    'attachment; filename="sub-store.json"',
+                    `attachment; filename="${encodeURIComponent(
+                        `sub-store_data_${new Date()
+                            .toLocaleString('zh-CN', {
+                                year: 'numeric',
+                                day: 'numeric',
+                                month: 'numeric',
+                                hour: 'numeric',
+                                minute: 'numeric',
+                                second: 'numeric',
+                            })
+                            .replace(/\D/g, '')}.json`,
+                    )}"`,
                 )
                 .send(
                     $.env.isNode
diff --git a/backend/src/restful/subscriptions.js b/backend/src/restful/subscriptions.js
index 6ec5847..d8425f6 100644
--- a/backend/src/restful/subscriptions.js
+++ b/backend/src/restful/subscriptions.js
@@ -264,7 +264,18 @@ function getSubscription(req, res) {
             res.set('content-type', 'application/json')
                 .set(
                     'content-disposition',
-                    `attachment; filename="${encodeURIComponent(name)}.json"`,
+                    `attachment; filename="${encodeURIComponent(
+                        `sub-store_subscription_${name}_${new Date()
+                            .toLocaleString('zh-CN', {
+                                year: 'numeric',
+                                day: 'numeric',
+                                month: 'numeric',
+                                hour: 'numeric',
+                                minute: 'numeric',
+                                second: 'numeric',
+                            })
+                            .replace(/\D/g, '')}.json`,
+                    )}"`,
                 )
                 .send(JSON.stringify(sub));
         } else {