diff --git a/src/MaaCore/Task/Fight/DrGrandetTaskPlugin.cpp b/src/MaaCore/Task/Fight/DrGrandetTaskPlugin.cpp
index d007f2a458..ee70f2114b 100644
--- a/src/MaaCore/Task/Fight/DrGrandetTaskPlugin.cpp
+++ b/src/MaaCore/Task/Fight/DrGrandetTaskPlugin.cpp
@@ -69,6 +69,7 @@ int asst::DrGrandetTaskPlugin::analyze_time_left(const cv::Mat& image)
     analyzer.set_use_char_model(false);
 
     if (!analyzer.analyze()) {
+        Log.warn(__FUNCTION__, "unable to analyze time");
         return -1;
     }
     auto text = analyzer.get_result().front().text;
@@ -76,6 +77,7 @@ int asst::DrGrandetTaskPlugin::analyze_time_left(const cv::Mat& image)
     auto regex = std::regex(R"((\d):(\d?)(\d?))");
     std::smatch match;
     if (!std::regex_search(text, match, regex)) {
+        Log.warn(__FUNCTION__, "Unable to match time:", text);
         return -1;
     }
     std::string time = match.str(0);
diff --git a/src/MaaCore/Task/Fight/MedicineCounterTaskPlugin.cpp b/src/MaaCore/Task/Fight/MedicineCounterTaskPlugin.cpp
index a033404356..4dbc5980d7 100644
--- a/src/MaaCore/Task/Fight/MedicineCounterTaskPlugin.cpp
+++ b/src/MaaCore/Task/Fight/MedicineCounterTaskPlugin.cpp
@@ -104,7 +104,9 @@ bool asst::MedicineCounterTaskPlugin::_run()
 
         if (*sanity_target >= *sanity_max) [[unlikely]] {
             auto waitTime = DrGrandetTaskPlugin::analyze_time_left(image);
-            sleep(waitTime);
+            if (waitTime > 0) {
+                sleep(waitTime);
+            }
         }
     }