diff --git a/libraries/mogo-adas/src/main/java/com/zhidao/support/adas/high/socket/FpgaSocket.java b/libraries/mogo-adas/src/main/java/com/zhidao/support/adas/high/socket/FpgaSocket.java
index c1ee801deb..c88cc87547 100644
--- a/libraries/mogo-adas/src/main/java/com/zhidao/support/adas/high/socket/FpgaSocket.java
+++ b/libraries/mogo-adas/src/main/java/com/zhidao/support/adas/high/socket/FpgaSocket.java
@@ -365,7 +365,7 @@ public class FpgaSocket implements IWebSocket {
      * @param isInitiative 是否是主动断开
      * @param code         code
      */
-    private void close(boolean isInitiative, int code) {
+    private synchronized void close(boolean isInitiative, int code) {
         isConnected.set(false);
         if (mWebSocket != null) {
             String closeReason = null;