diff --git a/bun.lockb b/bun.lockb
index ce5cb65..a4deaa6 100644
Binary files a/bun.lockb and b/bun.lockb differ
diff --git a/package.json b/package.json
index d9a126b..98f5370 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "langchain": "^0.1.28",
     "lucide-react": "^0.350.0",
     "ml-distance": "^4.0.1",
-    "pdfjs-dist": "^4.0.379",
+    "pdfjs-dist": "4.0.379",
     "property-information": "^6.4.1",
     "pubsub-js": "^1.9.4",
     "react": "18.2.0",
diff --git a/src/db/index.ts b/src/db/index.ts
index bab011a..bc8b2f8 100644
--- a/src/db/index.ts
+++ b/src/db/index.ts
@@ -417,3 +417,30 @@ export const getUserId = async () => {
   }
   return id
 }
+
+export const exportChatHistory = async () => {
+  const db = new PageAssitDatabase()
+  const chatHistories = await db.getChatHistories()
+  const messages = await Promise.all(
+    chatHistories.map(async (history) => {
+      const messages = await db.getChatHistory(history.id)
+      return { history, messages }
+    })
+  )
+  return messages
+}
+
+export const importChatHistory = async (
+  data: {
+    history: HistoryInfo
+    messages: MessageHistory
+  }[]
+) => {
+  const db = new PageAssitDatabase()
+  for (const { history, messages } of data) {
+    await db.addChatHistory(history)
+    for (const message of messages) {
+      await db.addMessage(message)
+    }
+  }
+}
diff --git a/src/db/knowledge.ts b/src/db/knowledge.ts
index b853ead..9579536 100644
--- a/src/db/knowledge.ts
+++ b/src/db/knowledge.ts
@@ -190,3 +190,16 @@ export const deleteSource = async (id: string, source_id: string) => {
   await db.deleteSource(id, source_id)
   await deleteVectorByFileId(`vector:${id}`, source_id)
 }
+
+export const exportKnowledge = async () => {
+  const db = new PageAssistKnowledge()
+  const data = await db.getAll()
+  return data
+}
+
+export const importKnowledge = async (data: Knowledge[]) => {
+  const db = new PageAssistKnowledge()
+  for (const d of data) {
+    await db.create(d)
+  }
+}
diff --git a/src/db/vector.ts b/src/db/vector.ts
index e544c7f..2c2e281 100644
--- a/src/db/vector.ts
+++ b/src/db/vector.ts
@@ -100,6 +100,18 @@ export class PageAssistVectorDb {
       })
     })
   }
+
+  getAll = async (): Promise<VectorData[]> => {
+    return new Promise((resolve, reject) => {
+      this.db.get(null, (result) => {
+        if (chrome.runtime.lastError) {
+          reject(chrome.runtime.lastError)
+        } else {
+          resolve(Object.values(result))
+        }
+      })
+    })
+  }
 }
 
 export const insertVector = async (
@@ -127,3 +139,16 @@ export const deleteVectorByFileId = async (
   const db = new PageAssistVectorDb()
   return db.deleteVectorByFileId(id, file_id)
 }
+
+export const exportVectors = async () => {
+  const db = new PageAssistVectorDb()
+  const data = await db.getAll()
+  return data
+}
+
+export const importVectors = async (data: VectorData[]) => {
+  const db = new PageAssistVectorDb()
+  for (const d of data) {
+    await db.insertVector(d.id, d.vectors)
+  }
+}