diff --git a/android/src/main/java/com/xmartlabs/line/LineLoginModule.kt b/android/src/main/java/com/xmartlabs/line/LineLoginModule.kt
index 875fa1b..1daf5e2 100755
--- a/android/src/main/java/com/xmartlabs/line/LineLoginModule.kt
+++ b/android/src/main/java/com/xmartlabs/line/LineLoginModule.kt
@@ -43,18 +43,24 @@ class LineLoginModule(private val reactContext: ReactApplicationContext) :
     private var loginResult: Promise? = null
 
     override fun setup(args: ReadableMap, promise: Promise) {
-        channelId = args.getString("channelId")!!
-        lineApiClient = LineApiClientBuilder(reactContext.applicationContext, channelId).build()
-        reactContext.addActivityEventListener(object : ActivityEventListener {
-            override fun onNewIntent(intent: Intent) {}
-            override fun onActivityResult(
-                activity: Activity,
-                requestCode: Int,
-                resultCode: Int,
-                data: Intent?
-            ) =
-                handleActivityResult(requestCode, resultCode, data)
-        })
+        try {
+            channelId = args.getString("channelId")!!
+            lineApiClient = LineApiClientBuilder(reactContext.applicationContext, channelId).build()
+
+            reactContext.addActivityEventListener(object : ActivityEventListener {
+                override fun onNewIntent(intent: Intent) {}
+                override fun onActivityResult(
+                    activity: Activity,
+                    requestCode: Int,
+                    resultCode: Int,
+                    data: Intent?
+                ) =
+                    handleActivityResult(requestCode, resultCode, data)
+            })
+            promise.resolve(null)
+        } catch (t: Throwable) {
+            promise.reject("E_SETUP_FAILED", t.message, t)
+        }
     }
 
     override fun login(args: ReadableMap, promise: Promise) {