diff --git a/resource/tasks.json b/resource/tasks.json
index a1b04e4918..a2ad959618 100644
--- a/resource/tasks.json
+++ b/resource/tasks.json
@@ -3036,8 +3036,14 @@
     },
     "BattleOperAvailable": {
         "template": "empty.png",
-        "specialThreshold": 100,
-        "specialThreshold_Doc": "用于做V通道平均值阈值"
+        "specialThreshold": 110,
+        "specialThreshold_Doc": "用于做V通道平均值阈值",
+        "rectMove": [
+            -41,
+            6,
+            31,
+            25
+        ]
     },
     "BattleOperRoleRange": {
         "algorithm": "JustReturn",
@@ -3064,6 +3070,8 @@
     },
     "BattleOperRoleWarrior": {
     },
+    "BattleOperRoleDrone": {
+    },
     "BattleOperCostRange": {
         "algorithm": "hash",
         "hash": [
@@ -3123,7 +3131,8 @@
     "BattleOperCost3": {
         "algorithm": "hash",
         "hash": [
-            "3ffe7ffffc3ff81fe01f001f03fe07fc07fe003f001fe01fe01ff83fffff7ffe"
+            "3ffe7ffffc3ff81fe01f001f03fe07fc07fe003f001fe01fe01ff83fffff7ffe",
+            "07f01ffe700e700700070007000c0078003c000700070007e007700e1e7e0ff0"
         ]
     },
     "BattleOperCost4": {
@@ -3135,7 +3144,8 @@
     "BattleOperCost5": {
         "algorithm": "hash",
         "hash": [
-            "3ffe7c007c0078007ff87ffe7ffe7c3f781f0007e007f81ffc1fffff7ffe3ffc"
+            "3ffe7c007c0078007ff87ffe7ffe7c3f781f0007e007f81ffc1fffff7ffe3ffc",
+            "3ffe38003800780070007ff87ffe703e000f000fc00ff81ffc3f7ffe3ffc07e0"
         ]
     },
     "BattleOperCost6": {
diff --git a/resource/template/BattleOperRoleDrone.png b/resource/template/BattleOperRoleDrone.png
new file mode 100644
index 0000000000..f7ed1fad02
Binary files /dev/null and b/resource/template/BattleOperRoleDrone.png differ
diff --git a/src/MeoAssistant/BattleImageAnalyzer.cpp b/src/MeoAssistant/BattleImageAnalyzer.cpp
index 0f80f093b1..04b886d634 100644
--- a/src/MeoAssistant/BattleImageAnalyzer.cpp
+++ b/src/MeoAssistant/BattleImageAnalyzer.cpp
@@ -18,6 +18,8 @@ const std::vector<asst::BattleImageAnalyzer::Oper>& asst::BattleImageAnalyzer::g
 
 bool asst::BattleImageAnalyzer::opers_analyze()
 {
+    LogTraceFunction;
+
     MultiMatchImageAnalyzer flags_analyzer(m_image);
     flags_analyzer.set_task_info("BattleOpersFlag");
     if (!flags_analyzer.analyze()) {
@@ -28,11 +30,14 @@ bool asst::BattleImageAnalyzer::opers_analyze()
     const auto click_move = Task.get("BattleOperClickRange")->rect_move;
     const auto role_move = Task.get("BattleOperRoleRange")->rect_move;
     const auto cost_move = Task.get("BattleOperCostRange")->rect_move;
+    const auto avlb_move = Task.get("BattleOperAvailable")->rect_move;
 
     for (const MatchRect& flag_mrect : flags_analyzer.get_result()) {
         Oper oper;
         oper.rect = flag_mrect.rect.move(click_move);
-        oper.available = oper_available_analyze(oper.rect);
+
+        Rect available_rect = flag_mrect.rect.move(avlb_move);
+        oper.available = oper_available_analyze(available_rect);
 
 #ifdef ASST_DEBUG
         if (oper.available) {
@@ -65,12 +70,13 @@ asst::BattleImageAnalyzer::Role asst::BattleImageAnalyzer::oper_role_analyze(con
         { Role::Special, "Special" },
         { Role::Support, "Support" },
         { Role::Tank, "Tank" },
-        { Role::Warrior, "Warrior" }
+        { Role::Warrior, "Warrior" },
+        { Role::Drone, "Drone" }
     };
 
     MatchImageAnalyzer role_analyzer(m_image);
 
-    Role result = Role::Invaild;
+    Role result = Role::Unknown;
     double max_score = 0;
     for (auto&& [role, role_name] : RolesName) {
         role_analyzer.set_task_info("BattleOperRole" + role_name);
@@ -86,7 +92,15 @@ asst::BattleImageAnalyzer::Role asst::BattleImageAnalyzer::oper_role_analyze(con
     }
 
 #ifdef ASST_DEBUG
-    cv::putText(m_image_draw, RolesName.at(result), cv::Point(roi.x, roi.y - 5), 1, 1, cv::Scalar(0, 255, 255));
+    std::string role_name;
+    if (auto iter = RolesName.find(result);
+        iter == RolesName.cend()) {
+        role_name = "Unknown";
+    }
+    else {
+        role_name = iter->second;
+    }
+    cv::putText(m_image_draw, role_name, cv::Point(roi.x, roi.y - 5), 1, 1, cv::Scalar(0, 255, 255));
 #endif
 
     return result;
diff --git a/src/MeoAssistant/BattleImageAnalyzer.h b/src/MeoAssistant/BattleImageAnalyzer.h
index 922627c316..1a454f03b3 100644
--- a/src/MeoAssistant/BattleImageAnalyzer.h
+++ b/src/MeoAssistant/BattleImageAnalyzer.h
@@ -8,7 +8,7 @@ namespace asst
     public:
         enum class Role
         {
-            Invaild,
+            Unknown,
             Caster,
             Medic,
             Pioneer,
@@ -16,12 +16,13 @@ namespace asst
             Special,
             Support,
             Tank,
-            Warrior
+            Warrior,
+            Drone
         };
         struct Oper
         {
             int cost = 0;
-            Role role = Role::Invaild;
+            Role role = Role::Unknown;
             bool available = false;
             Rect rect;
         };
diff --git a/src/MeoAssistant/HashImageAnalyzer.cpp b/src/MeoAssistant/HashImageAnalyzer.cpp
index 085ae518d2..7140491522 100644
--- a/src/MeoAssistant/HashImageAnalyzer.cpp
+++ b/src/MeoAssistant/HashImageAnalyzer.cpp
@@ -1,6 +1,7 @@
 #include "HashImageAnalyzer.h"
 
 #include "AsstUtils.hpp"
+#include "Logger.hpp"
 
 bool asst::HashImageAnalyzer::analyze()
 {
@@ -31,11 +32,13 @@ bool asst::HashImageAnalyzer::analyze()
             to_hash = bound_bin(to_hash);
         }
         std::string hash_result = shash(to_hash);
+        Log.trace(hash_result);
 
         int min_dist = INT_MAX;
         std::string cur_min_dist_name;
         for (auto&& [name, templ] : m_hash_templates) {
             int hm = hamming(hash_result, templ);
+            Log.trace(name, "dist:", hm);
             if (hm < min_dist) {
                 cur_min_dist_name = name;
                 min_dist = hm;