diff --git a/app/src/main/java/com/casic/detector/common/view/InstallMarkerActivity.kt b/app/src/main/java/com/casic/detector/common/view/InstallMarkerActivity.kt
index adc9fef..c50ce8c 100644
--- a/app/src/main/java/com/casic/detector/common/view/InstallMarkerActivity.kt
+++ b/app/src/main/java/com/casic/detector/common/view/InstallMarkerActivity.kt
@@ -6,6 +6,7 @@
 import android.content.DialogInterface
 import android.content.Intent
 import android.content.ServiceConnection
+import android.hardware.Camera
 import android.media.AudioAttributes
 import android.media.SoundPool
 import android.os.Bundle
@@ -501,6 +502,10 @@
 
         imageAdapter.setOnItemClickListener(object : EditableImageAdapter.OnItemClickListener {
             override fun onAddImageClick() {
+                if (Camera.getNumberOfCameras() == 0) {
+                    "未检测到相机模块，无法拍照".show(context)
+                    return
+                }
                 takePicture()
             }