diff --git a/source/MaaFramework/Instance/InstanceStatus.cpp b/source/MaaFramework/Instance/InstanceStatus.cpp
index 31c1787e5..c0b91ade5 100644
--- a/source/MaaFramework/Instance/InstanceStatus.cpp
+++ b/source/MaaFramework/Instance/InstanceStatus.cpp
@@ -118,10 +118,8 @@ bool InstanceStatus::cv_mat_equal(const cv::Mat& lhs, const cv::Mat& rhs)
     if (lhs.cols != rhs.cols || lhs.rows != rhs.rows || lhs.dims != rhs.dims) {
         return false;
     }
-    cv::Mat diff;
-    cv::compare(lhs, rhs, diff, cv::CMP_NE);
-    int nz = cv::countNonZero(diff);
-    return nz == 0;
+
+    return std::equal(lhs.begin<uchar>(), lhs.end<uchar>(), rhs.begin<uchar>());
 }
 
 MAA_NS_END
diff --git a/source/MaaFramework/Task/SyncContext.cpp b/source/MaaFramework/Task/SyncContext.cpp
index 771bc5a64..45765bb0d 100644
--- a/source/MaaFramework/Task/SyncContext.cpp
+++ b/source/MaaFramework/Task/SyncContext.cpp
@@ -44,6 +44,10 @@ bool SyncContext::run_recognizer(cv::Mat image, std::string task, std::string_vi
         LogError << "Instance is null";
         return false;
     }
+    if (image.empty()) {
+        LogError << "Image is empty";
+        return false;
+    }
 
     auto json_opt = json::parse(param);
     if (!json_opt) {