diff --git a/armor/src/armor_finder/find/find_light_blobs.cpp b/armor/src/armor_finder/find/find_light_blobs.cpp
index 94e7a66..7c21051 100644
--- a/armor/src/armor_finder/find/find_light_blobs.cpp
+++ b/armor/src/armor_finder/find/find_light_blobs.cpp
@@ -131,7 +131,7 @@ bool ArmorFinder::findLightBlobs(const cv::Mat &src, LightBlobs &light_blobs) {
     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
+    cv::threshold(color_channel, src_bin_dim, 140, 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