diff --git a/api/core/helper/marketplace.py b/api/core/helper/marketplace.py
index 89dae4808f..e212373e32 100644
--- a/api/core/helper/marketplace.py
+++ b/api/core/helper/marketplace.py
@@ -11,6 +11,20 @@ marketplace_api_url = URL(str(dify_config.MARKETPLACE_API_URL))
 
 
 def get_plugin_pkg_url(plugin_unique_identifier: str) -> str:
+    # Parse org/name:version format (without checksum)
+    if "/" in plugin_unique_identifier and ":" in plugin_unique_identifier:
+        # Remove checksum if present (format: org/name:version@checksum)
+        if "@" in plugin_unique_identifier:
+            plugin_unique_identifier = plugin_unique_identifier.split("@")[0]
+
+        # Parse org/name:version
+        org_and_name, version = plugin_unique_identifier.rsplit(":", 1)
+        org, name = org_and_name.split("/", 1)
+
+        # Use new endpoint format
+        return str(marketplace_api_url / f"api/v1/plugins/{org}/{name}/{version}/download")
+
+    # Fallback to old format with query param
     return str((marketplace_api_url / "api/v1/plugins/download").with_query(unique_identifier=plugin_unique_identifier))
 
 
diff --git a/api/core/plugin/entities/plugin.py b/api/core/plugin/entities/plugin.py
index a07b58d9ea..b5ce6b525b 100644
--- a/api/core/plugin/entities/plugin.py
+++ b/api/core/plugin/entities/plugin.py
@@ -205,6 +205,9 @@ class PluginDependency(BaseModel):
 
         @property
         def plugin_unique_identifier(self) -> str:
+            # Strip checksum if present (format: org/name:version@checksum -> org/name:version)
+            if "@" in self.marketplace_plugin_unique_identifier:
+                return self.marketplace_plugin_unique_identifier.split("@")[0]
             return self.marketplace_plugin_unique_identifier
 
     class Package(BaseModel):
diff --git a/web/app/components/plugins/install-plugin/install-bundle/steps/install-multi.tsx b/web/app/components/plugins/install-plugin/install-bundle/steps/install-multi.tsx
index 2691877a07..f30a722f2e 100644
--- a/web/app/components/plugins/install-plugin/install-bundle/steps/install-multi.tsx
+++ b/web/app/components/plugins/install-plugin/install-bundle/steps/install-multi.tsx
@@ -41,9 +41,11 @@ const InstallByDSLList: ForwardRefRenderFunction<ExposeRefs, Props> = ({
   // DSL has id, to get plugin info to show more info
   const { isLoading: isFetchingMarketplaceDataById, data: infoGetById, error: infoByIdError } = useFetchPluginsInMarketPlaceByInfo(allPlugins.filter(d => d.type === 'marketplace').map((d) => {
     const dependecy = (d as GitHubItemAndMarketPlaceDependency).value
-    // split org, name, version by / and :
-    // and remove @ and its suffix
-    const [orgPart, nameAndVersionPart] = dependecy.marketplace_plugin_unique_identifier!.split('@')[0].split('/')
+    // Parse org/name:version format (checksum already removed by backend)
+    const identifier = dependecy.marketplace_plugin_unique_identifier!
+    // Remove checksum if still present (for backward compatibility)
+    const cleanIdentifier = identifier.includes('@') ? identifier.split('@')[0] : identifier
+    const [orgPart, nameAndVersionPart] = cleanIdentifier.split('/')
     const [name, version] = nameAndVersionPart.split(':')
     return {
       organization: orgPart,
@@ -109,7 +111,13 @@ const InstallByDSLList: ForwardRefRenderFunction<ExposeRefs, Props> = ({
     if (!isFetchingMarketplaceDataById && infoGetById?.data.list) {
       const sortedList = allPlugins.filter(d => d.type === 'marketplace').map((d) => {
         const p = d as GitHubItemAndMarketPlaceDependency
-        const id = p.value.marketplace_plugin_unique_identifier?.split(':')[0]
+        // Parse org/name from org/name:version format
+        let identifier = p.value.marketplace_plugin_unique_identifier || ''
+        // Remove checksum if present
+        if (identifier.includes('@'))
+          identifier = identifier.split('@')[0]
+        // Get org/name part (without version)
+        const id = identifier.split(':')[0]
         const retPluginInfo = infoGetById.data.list.find(item => item.plugin.plugin_id === id)?.plugin
         return { ...retPluginInfo, from: d.type } as Plugin
       })
diff --git a/web/service/use-plugins.ts b/web/service/use-plugins.ts
index 2877ef15f2..df03b83036 100644
--- a/web/service/use-plugins.ts
+++ b/web/service/use-plugins.ts
@@ -286,6 +286,9 @@ export const useInstallOrUpdate = ({
           if (item.type === 'marketplace') {
             const data = item as GitHubItemAndMarketPlaceDependency
             uniqueIdentifier = data.value.marketplace_plugin_unique_identifier! || plugin[i]?.plugin_id
+            // Strip checksum if present (for backward compatibility)
+            if (uniqueIdentifier.includes('@'))
+              uniqueIdentifier = uniqueIdentifier.split('@')[0]
             if (uniqueIdentifier === installedPayload?.uniqueIdentifier) {
               return {
                 success: true,