diff --git a/armor/src/armor_finder/find/find_light_blobs.cpp b/armor/src/armor_finder/find/find_light_blobs.cpp
index 460f1cf..94e7a66 100644
--- a/armor/src/armor_finder/find/find_light_blobs.cpp
+++ b/armor/src/armor_finder/find/find_light_blobs.cpp
@@ -128,9 +128,11 @@ bool ArmorFinder::findLightBlobs(const cv::Mat &src, LightBlobs &light_blobs) {
 
 
     cv::threshold(color_channel, src_bin_light, 200, 255, CV_THRESH_BINARY); // 二值化对应通道
+    if(src_bin_light.empty()) return false;
     imagePreProcess(src_bin_light);                                  // 开闭运算
 
     cv::threshold(color_channel, src_bin_dim, 160, 255, CV_THRESH_BINARY); // 二值化对应通道
+    if(src_bin_dim.empty()) return false;
     imagePreProcess(src_bin_dim);                                  // 开闭运算
 
     if(src_bin_light.size() == cv::Size(640, 480) && show_light_blobs) {