diff --git a/src/main.ts b/src/main.ts
index ef545f8..c2553ec 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -338,11 +338,12 @@ export class DropboxAuthModal extends Modal {
               k.verifier,
               authCode
             );
+            const self = this;
             setConfigBySuccessfullAuthInplace(
               this.plugin.settings.dropbox,
-              authRes
+              authRes,
+              () => self.plugin.saveSettings()
             );
-            const self = this;
             const client = new RemoteClient(
               "dropbox",
               undefined,
diff --git a/src/remoteForDropbox.ts b/src/remoteForDropbox.ts
index becc801..9e5fbac 100644
--- a/src/remoteForDropbox.ts
+++ b/src/remoteForDropbox.ts
@@ -229,9 +229,10 @@ export const sendRefreshTokenReq = async (
   return resp2;
 };
 
-export const setConfigBySuccessfullAuthInplace = (
+export const setConfigBySuccessfullAuthInplace = async (
   config: DropboxConfig,
-  authRes: DropboxSuccessAuthRes
+  authRes: DropboxSuccessAuthRes,
+  saveUpdatedConfigFunc: () => Promise<any> | undefined
 ) => {
   console.log("start updating local info of Dropbox token");
 
@@ -247,6 +248,10 @@ export const setConfigBySuccessfullAuthInplace = (
     config.accountID = authRes.account_id;
   }
 
+  if (saveUpdatedConfigFunc !== undefined) {
+    await saveUpdatedConfigFunc();
+  }
+
   console.log("finish updating local info of Dropbox token");
 };
 
@@ -269,7 +274,7 @@ export class WrappedDropboxClient {
   init = async () => {
     if (
       this.dropboxConfig.accessToken === "" ||
-      this.dropboxConfig.username === ""
+      this.dropboxConfig.refreshToken === ""
     ) {
       throw Error("The user has not manually auth yet.");
     }
@@ -289,9 +294,11 @@ export class WrappedDropboxClient {
         this.dropboxConfig.refreshToken
       );
 
-      setConfigBySuccessfullAuthInplace(this.dropboxConfig, resp);
-      await this.saveUpdatedConfigFunc();
-
+      setConfigBySuccessfullAuthInplace(
+        this.dropboxConfig,
+        resp,
+        this.saveUpdatedConfigFunc
+      );
       this.dropbox = new Dropbox({
         accessToken: this.dropboxConfig.accessToken,
       });