diff --git a/packages/adena-extension/src/inject.ts b/packages/adena-extension/src/inject.ts
index b522e3610..7dd3c87bd 100644
--- a/packages/adena-extension/src/inject.ts
+++ b/packages/adena-extension/src/inject.ts
@@ -19,6 +19,11 @@ const init = (): void => {
       const response = await executor.addEstablish(name);
       return response;
     },
+    async CheckConnection(name: string): Promise<unknown> {
+      const executor = new AdenaExecutor();
+      const response = await executor.checkConnection(name);
+      return response;
+    },
     async DoContract(message: RequestDoContractMessage): Promise<unknown> {
       const executor = new AdenaExecutor();
       const response = await executor.doContract(message);
diff --git a/packages/adena-extension/src/inject/executor/executor.ts b/packages/adena-extension/src/inject/executor/executor.ts
index f9ae41e19..ecff09228 100644
--- a/packages/adena-extension/src/inject/executor/executor.ts
+++ b/packages/adena-extension/src/inject/executor/executor.ts
@@ -63,6 +63,13 @@ export class AdenaExecutor {
     return this.sendEventMessage(eventMessage);
   };
 
+  public checkConnection = (name?: string): Promise<unknown> => {
+    const eventMessage = AdenaExecutor.createEventMessage('CHECK_CONNECTION', {
+      name: name ?? 'Unknown',
+    });
+    return this.sendEventMessage(eventMessage);
+  };
+
   public doContract = (params: RequestDoContractMessage): Promise<unknown> => {
     const result = this.validateContractMessage(params);
     if (result) {
@@ -139,7 +146,7 @@ export class AdenaExecutor {
     }
   };
 
-  private sendEventMessage = (eventMessage: InjectionMessage): Promise<unknown> => {
+  private sendEventMessage = async (eventMessage: InjectionMessage): Promise<unknown> => {
     this.listen();
     this.eventMessage = {
       ...eventMessage,
diff --git a/packages/adena-extension/src/inject/message/message-handler.ts b/packages/adena-extension/src/inject/message/message-handler.ts
index 7f8f6a63b..80405c69e 100644
--- a/packages/adena-extension/src/inject/message/message-handler.ts
+++ b/packages/adena-extension/src/inject/message/message-handler.ts
@@ -82,6 +82,9 @@ export class MessageHandler {
       case 'ADD_ESTABLISH':
         HandlerMethod.addEstablish(message, sendResponse);
         break;
+      case 'CHECK_CONNECTION':
+        HandlerMethod.checkEstablished(message, sendResponse, true);
+        break;
       case 'ADD_NETWORK':
         HandlerMethod.checkEstablished(message, sendResponse).then((isEstablished) => {
           if (isEstablished) {
diff --git a/packages/adena-extension/src/inject/message/message.ts b/packages/adena-extension/src/inject/message/message.ts
index 610cb2cd5..4df94bead 100644
--- a/packages/adena-extension/src/inject/message/message.ts
+++ b/packages/adena-extension/src/inject/message/message.ts
@@ -5,6 +5,10 @@ const MESSAGE_TYPES = {
     code: 0,
     description: 'Establish Connection.',
   },
+  CHECK_CONNECTION: {
+    code: 0,
+    description: 'Check Connection status',
+  },
   DO_CONTRACT: {
     code: 0,
     description: 'Do Contract.',
@@ -193,6 +197,7 @@ export class InjectionMessageInstance {
 
   public getType = ():
     | 'ADD_ESTABLISH'
+    | 'CHECK_CONNECTION'
     | 'DO_CONTRACT'
     | 'GET_ACCOUNT'
     | 'SIGN_AMINO'
diff --git a/packages/adena-extension/src/inject/message/methods/common.ts b/packages/adena-extension/src/inject/message/methods/common.ts
index 92e5aaa63..23c5781e9 100644
--- a/packages/adena-extension/src/inject/message/methods/common.ts
+++ b/packages/adena-extension/src/inject/message/methods/common.ts
@@ -72,16 +72,26 @@ export const removePopups = async (): Promise<void> => {
 export const checkEstablished = async (
   requestData: InjectionMessage,
   sendResponse: (response: any) => void,
+  sendSuccessResponse = false,
 ): Promise<boolean> => {
   const core = new InjectCore();
   const accountId = await core.getCurrentAccountId();
-
+  const isLocked = await core.walletService.isLocked();
   const siteName = getSiteName(requestData.protocol, requestData.hostname);
+
+  if (isLocked) {
+    sendResponse(InjectionMessageInstance.failure('WALLET_LOCKED', {}, requestData.key))
+    return false
+  }
+
   const isEstablished = await core.establishService.isEstablishedBy(accountId, siteName);
   if (!isEstablished) {
     sendResponse(InjectionMessageInstance.failure('NOT_CONNECTED', {}, requestData.key));
     return false;
   }
+  if (sendSuccessResponse) {
+    sendResponse(InjectionMessageInstance.success('ALREADY_CONNECTED', {}, requestData.key))
+  }
   return true;
 };