diff --git a/doric-android/devkit/src/main/java/pub/doric/devkit/DoricDev.java b/doric-android/devkit/src/main/java/pub/doric/devkit/DoricDev.java
index f180cccd..bbb1726d 100644
--- a/doric-android/devkit/src/main/java/pub/doric/devkit/DoricDev.java
+++ b/doric-android/devkit/src/main/java/pub/doric/devkit/DoricDev.java
@@ -183,6 +183,7 @@ public class DoricDev {
 
     public void onClose() {
         devKitConnected = false;
+        stopDebugging(true);
         uiHandler.post(new Runnable() {
             @Override
             public void run() {
@@ -195,6 +196,7 @@ public class DoricDev {
 
     public void onFailure(final Throwable t) {
         devKitConnected = false;
+        stopDebugging(true);
         uiHandler.post(new Runnable() {
             @Override
             public void run() {
diff --git a/doric-iOS/Devkit/Classes/DoricDev.m b/doric-iOS/Devkit/Classes/DoricDev.m
index dd017e97..4ae6c969 100644
--- a/doric-iOS/Devkit/Classes/DoricDev.m
+++ b/doric-iOS/Devkit/Classes/DoricDev.m
@@ -132,6 +132,7 @@ - (void)onOpen {
 
 - (void)onClose {
     self.devKitConnected = NO;
+    [self stopDebugging:YES];
     dispatch_async(dispatch_get_main_queue(), ^{
         for (id <DoricDevStatusCallback> callback in self.callbacks) {
             [callback onClose:self.url];
@@ -141,6 +142,7 @@ - (void)onClose {
 
 - (void)onFailure:(NSError *)error {
     self.devKitConnected = NO;
+    [self stopDebugging:YES];
     dispatch_async(dispatch_get_main_queue(), ^{
         for (id <DoricDevStatusCallback> callback in self.callbacks) {
             [callback onFailure:error];