diff --git a/src/component/Admin/StoragePolicy/Wizards/COS/CosWizard.tsx b/src/component/Admin/StoragePolicy/Wizards/COS/CosWizard.tsx
index 8705a45..2ede564 100644
--- a/src/component/Admin/StoragePolicy/Wizards/COS/CosWizard.tsx
+++ b/src/component/Admin/StoragePolicy/Wizards/COS/CosWizard.tsx
@@ -35,6 +35,7 @@ const CosWizard = ({ onSubmit }: AddWizardProps) => {
       media_meta_exts: ["jpg", "jpeg", "png", "bmp", "webp", "tiff", "avif", "heif"],
       media_meta_generator_proxy: true,
       thumb_generator_proxy: true,
+      chunk_concurrency: 3,
     },
     file_name_rule: "{uuid}_{originname}",
     edges: {},
diff --git a/src/component/Admin/StoragePolicy/Wizards/KS3/KS3Wizard.tsx b/src/component/Admin/StoragePolicy/Wizards/KS3/KS3Wizard.tsx
index dc5bdef..de2cba6 100644
--- a/src/component/Admin/StoragePolicy/Wizards/KS3/KS3Wizard.tsx
+++ b/src/component/Admin/StoragePolicy/Wizards/KS3/KS3Wizard.tsx
@@ -35,6 +35,7 @@ const KS3Wizard = ({ onSubmit }: AddWizardProps) => {
       chunk_size: 25 << 20,
       media_meta_generator_proxy: true,
       thumb_generator_proxy: true,
+      chunk_concurrency: 3,
     },
     file_name_rule: "{uuid}_{originname}",
     edges: {},
diff --git a/src/component/Admin/StoragePolicy/Wizards/OBS/ObsWizard.tsx b/src/component/Admin/StoragePolicy/Wizards/OBS/ObsWizard.tsx
index c334f14..de2df10 100644
--- a/src/component/Admin/StoragePolicy/Wizards/OBS/ObsWizard.tsx
+++ b/src/component/Admin/StoragePolicy/Wizards/OBS/ObsWizard.tsx
@@ -36,6 +36,7 @@ const ObsWizard = ({ onSubmit }: AddWizardProps) => {
       media_meta_exts: ["png", "jpg", "jpeg", "gif", "bmp", "webp", "tiff"],
       media_meta_generator_proxy: true,
       thumb_generator_proxy: true,
+      chunk_concurrency: 3,
     },
     file_name_rule: "{uuid}_{originname}",
     edges: {},
diff --git a/src/component/Admin/StoragePolicy/Wizards/OSS/OssWizard.tsx b/src/component/Admin/StoragePolicy/Wizards/OSS/OssWizard.tsx
index 61f7925..22417c1 100644
--- a/src/component/Admin/StoragePolicy/Wizards/OSS/OssWizard.tsx
+++ b/src/component/Admin/StoragePolicy/Wizards/OSS/OssWizard.tsx
@@ -35,6 +35,7 @@ const OssWizard = ({ onSubmit }: AddWizardProps) => {
       media_meta_exts: ["jpg", "jpeg", "png", "gif", "bmp", "webp", "tiff", "heic", "heif"],
       media_meta_generator_proxy: true,
       thumb_generator_proxy: true,
+      chunk_concurrency: 3,
     },
     file_name_rule: "{uuid}_{originname}",
     edges: {},
diff --git a/src/component/Admin/StoragePolicy/Wizards/Qiniu/QiniuWizard.tsx b/src/component/Admin/StoragePolicy/Wizards/Qiniu/QiniuWizard.tsx
index 3648c20..50dbd80 100644
--- a/src/component/Admin/StoragePolicy/Wizards/Qiniu/QiniuWizard.tsx
+++ b/src/component/Admin/StoragePolicy/Wizards/Qiniu/QiniuWizard.tsx
@@ -54,6 +54,7 @@ const QiniuWizard = ({ onSubmit }: AddWizardProps) => {
       media_meta_generator_proxy: true,
       thumb_generator_proxy: true,
       custom_proxy: true,
+      chunk_concurrency: 3,
     },
     file_name_rule: "{uuid}_{originname}",
     edges: {},