diff --git a/apps/desktop/src/components/config/DriverStoreDialog.vue b/apps/desktop/src/components/config/DriverStoreDialog.vue
index c305fb042..4b069732f 100644
--- a/apps/desktop/src/components/config/DriverStoreDialog.vue
+++ b/apps/desktop/src/components/config/DriverStoreDialog.vue
@@ -243,15 +243,31 @@ async function uninstallDriver(dbType: string) {
 
 const importingZip = ref(false);
 
-async function importOfflineZip() {
-  if (isWeb || importingZip.value) return;
-  const { open } = await import("@tauri-apps/plugin-dialog");
-  const selected = await open({
-    title: "选择离线驱动包",
-    multiple: false,
-    filters: [{ name: "ZIP", extensions: ["zip"] }],
+function chooseWebOfflineZip(): Promise<File | null> {
+  return new Promise((resolve) => {
+    const input = document.createElement("input");
+    input.type = "file";
+    input.accept = ".zip";
+    input.onchange = () => resolve(input.files?.[0] ?? null);
+    input.click();
   });
-  if (typeof selected !== "string") return;
+}
+
+async function importOfflineZip() {
+  if (importingZip.value) return;
+  let selected: string | File | null = null;
+  if (isWeb) {
+    selected = await chooseWebOfflineZip();
+  } else {
+    const { open } = await import("@tauri-apps/plugin-dialog");
+    const path = await open({
+      title: "选择离线驱动包",
+      multiple: false,
+      filters: [{ name: "ZIP", extensions: ["zip"] }],
+    });
+    selected = typeof path === "string" ? path : null;
+  }
+  if (!selected) return;
   importingZip.value = true;
   progress.value = null;
   try {
diff --git a/apps/desktop/src/lib/http.ts b/apps/desktop/src/lib/http.ts
index 71289da49..c52303107 100644
--- a/apps/desktop/src/lib/http.ts
+++ b/apps/desktop/src/lib/http.ts
@@ -179,8 +179,16 @@ export async function invalidateAgentRegistryCache(): Promise<void> {
   await post("/api/agents/invalidate-registry-cache", {});
 }
 
-export async function importAgentsFromZip(_path: string): Promise<number> {
-  throw new Error("Offline ZIP import is only available in the desktop app");
+export async function importAgentsFromZip(fileOrPath: string | File): Promise<number> {
+  if (typeof fileOrPath === "string") {
+    throw new Error("Offline ZIP import in web mode requires a File object, not a file path");
+  }
+  const formData = new FormData();
+  formData.append("file", fileOrPath);
+  const res = await fetch("/api/agents/import-offline", { method: "POST", body: formData });
+  if (!res.ok) throw new Error(await res.text());
+  const result: { count: number } = await res.json();
+  return result.count;
 }
 
 export async function importAgentJar(_dbType: string, _path: string): Promise<void> {
diff --git a/apps/desktop/src/lib/tauri.ts b/apps/desktop/src/lib/tauri.ts
index 580765f9a..64215a806 100644
--- a/apps/desktop/src/lib/tauri.ts
+++ b/apps/desktop/src/lib/tauri.ts
@@ -389,7 +389,10 @@ export async function invalidateAgentRegistryCache(): Promise<void> {
   return invoke("invalidate_agent_registry_cache");
 }
 
-export async function importAgentsFromZip(path: string): Promise<number> {
+export async function importAgentsFromZip(path: string | File): Promise<number> {
+  if (typeof path !== "string") {
+    throw new Error("Desktop offline ZIP import requires a local file path");
+  }
   return invoke("import_agents_from_zip", { path });
 }
 
diff --git a/crates/dbx-web/src/main.rs b/crates/dbx-web/src/main.rs
index 19ccbf140..f59aee0f0 100644
--- a/crates/dbx-web/src/main.rs
+++ b/crates/dbx-web/src/main.rs
@@ -92,6 +92,7 @@ async fn main() {
         .route("/agents/install", post(routes::agents::install_agent))
         .route("/agents/upgrade-all", post(routes::agents::upgrade_all_agents))
         .route("/agents/uninstall", post(routes::agents::uninstall_agent))
+        .route("/agents/import-offline", post(routes::agents::import_agents_from_zip))
         .route(
             "/agents/java-runtime",
             get(routes::agents::get_agent_java_runtime_config).post(routes::agents::set_agent_java_runtime_config),
@@ -199,7 +200,7 @@ async fn main() {
     // Build app
     let mut app = Router::new()
         .nest("/api", api)
-        .layer(DefaultBodyLimit::max(50 * 1024 * 1024))
+        .layer(DefaultBodyLimit::max(300 * 1024 * 1024))
         .layer(tower_http::trace::TraceLayer::new_for_http())
         .layer(cors);
 
diff --git a/crates/dbx-web/src/routes/agents.rs b/crates/dbx-web/src/routes/agents.rs
index ceaba3b4b..1898f5fe0 100644
--- a/crates/dbx-web/src/routes/agents.rs
+++ b/crates/dbx-web/src/routes/agents.rs
@@ -1,6 +1,6 @@
 use std::sync::Arc;
 
-use axum::extract::{Path, State};
+use axum::extract::{Multipart, Path, State};
 use axum::response::sse::{Event, Sse};
 use axum::Json;
 use dbx_core::agent_manager::{
@@ -9,7 +9,7 @@ use dbx_core::agent_manager::{
 };
 use dbx_core::agent_service::{
     build_agent_list, download_temp_path, fetch_registry, find_local_agent_jar, github_url_to_r2_path,
-    install_local_agent, invalidate_registry_cache, replace_download,
+    import_offline_zip, install_local_agent, invalidate_registry_cache, replace_download, OfflineImportProgress,
 };
 use futures::Stream;
 use serde::Deserialize;
@@ -127,6 +127,48 @@ pub async fn invalidate_agent_registry_cache() -> Result<Json<serde_json::Value>
     Ok(Json(serde_json::json!({ "ok": true })))
 }
 
+pub async fn import_agents_from_zip(
+    State(state): State<Arc<WebState>>,
+    mut multipart: Multipart,
+) -> Result<Json<serde_json::Value>, AppError> {
+    let tmp_dir = state.data_dir.join("tmp");
+    std::fs::create_dir_all(&tmp_dir).map_err(|err| AppError(err.to_string()))?;
+
+    while let Some(field) = multipart.next_field().await.map_err(|err| AppError(err.to_string()))? {
+        let file_name = field.file_name().unwrap_or("offline-drivers.zip").to_string();
+        if !file_name.to_ascii_lowercase().ends_with(".zip") {
+            return Err(AppError("Offline driver package must be a .zip file".to_string()));
+        }
+
+        let data = field.bytes().await.map_err(|err| AppError(err.to_string()))?;
+        let zip_path = tmp_dir.join(format!("agent-offline-{}.zip", uuid::Uuid::new_v4()));
+        std::fs::write(&zip_path, &data).map_err(|err| AppError(err.to_string()))?;
+
+        let tx = progress_sender(&state, "global").await;
+        let result = import_offline_zip(&state.app.agent_manager, &zip_path, |p: OfflineImportProgress| {
+            send_progress(
+                &tx,
+                serde_json::json!({
+                    "step": p.step,
+                    "downloaded": p.current as u64,
+                    "total": p.total as u64,
+                    "db_type": p.label,
+                    "current": p.current,
+                    "total_drivers": p.total,
+                }),
+            );
+        })
+        .map_err(AppError);
+        let _ = std::fs::remove_file(&zip_path);
+
+        let result = result?;
+        send_progress(&tx, serde_json::json!({ "step": "done" }));
+        return Ok(Json(serde_json::json!({ "count": result.drivers_installed.len() as u32 })));
+    }
+
+    Err(AppError("No file uploaded".to_string()))
+}
+
 pub async fn reinstall_jre(
     State(state): State<Arc<WebState>>,
     Json(req): Json<JreRequest>,
diff --git a/packages/app-tests/webDriverManagement.test.ts b/packages/app-tests/webDriverManagement.test.ts
index 088ca79fb..c4f341a73 100644
--- a/packages/app-tests/webDriverManagement.test.ts
+++ b/packages/app-tests/webDriverManagement.test.ts
@@ -5,6 +5,7 @@ import test from "node:test";
 const apiSource = readFileSync("apps/desktop/src/lib/api.ts", "utf8");
 const httpSource = readFileSync("apps/desktop/src/lib/http.ts", "utf8");
 const tauriSource = readFileSync("apps/desktop/src/lib/tauri.ts", "utf8");
+const driverStoreSource = readFileSync("apps/desktop/src/components/config/DriverStoreDialog.vue", "utf8");
 const webMainSource = readFileSync("crates/dbx-web/src/main.rs", "utf8");
 const webRoutesSource = readFileSync("crates/dbx-web/src/routes/mod.rs", "utf8");
 
@@ -41,3 +42,14 @@ test("web backend exposes agent driver management routes", () => {
   assert.match(webMainSource, /\/agents\/java-runtime/);
   assert.match(webMainSource, /\/ai\/models/);
 });
+
+test("web runtime supports importing an offline agent driver zip", () => {
+  assert.match(httpSource, /export async function importAgentsFromZip\(fileOrPath: string \| File\)/);
+  assert.match(httpSource, /FormData/);
+  assert.match(httpSource, /\/api\/agents\/import-offline/);
+  assert.doesNotMatch(httpSource, /Offline ZIP import is only available in the desktop app/);
+  assert.match(webMainSource, /\/agents\/import-offline/);
+  assert.match(driverStoreSource, /chooseWebOfflineZip/);
+  assert.match(driverStoreSource, /accept = "\.zip"/);
+  assert.doesNotMatch(driverStoreSource, /if \(isWeb \|\| importingZip\.value\) return;/);
+});