diff --git a/src/MaaCore/Common/AsstBattleDef.h b/src/MaaCore/Common/AsstBattleDef.h
index be1f4fae7b..9cf878ffcf 100644
--- a/src/MaaCore/Common/AsstBattleDef.h
+++ b/src/MaaCore/Common/AsstBattleDef.h
@@ -182,7 +182,8 @@ using RoleCounts = std::unordered_map<Role, int>;
 
 namespace copilot
 {
-using OperUsageGroups = std::unordered_map<std::string, std::vector<OperUsage>>;
+using OperUsageGroup = std::pair<std::string, std::vector<OperUsage>>;
+using OperUsageGroups = std::vector<OperUsageGroup>;
 
 enum class ActionType
 {
diff --git a/src/MaaCore/Config/Miscellaneous/CopilotConfig.cpp b/src/MaaCore/Config/Miscellaneous/CopilotConfig.cpp
index 82c969d977..74f74e0c92 100644
--- a/src/MaaCore/Config/Miscellaneous/CopilotConfig.cpp
+++ b/src/MaaCore/Config/Miscellaneous/CopilotConfig.cpp
@@ -80,6 +80,20 @@ asst::battle::copilot::OperUsageGroups asst::CopilotConfig::parse_groups(const j
 
     battle::copilot::OperUsageGroups groups;
 
+    if (auto opt = json.find<json::array>("opers")) {
+        for (const auto& oper_info : opt.value()) {
+            OperUsage oper;
+            oper.name = oper_info.at("name").as_string();
+            oper.skill = oper_info.get("skill", 1);
+            oper.skill_usage = static_cast<battle::SkillUsage>(oper_info.get("skill_usage", 0));
+            oper.skill_times = oper_info.get("skill_times", 1); // 使用技能的次数，默认为 1，兼容曾经的作业
+
+            // 单个干员的，干员名直接作为组名
+            std::string group_name = oper.name;
+            groups.emplace_back(OperUsageGroup { std::move(group_name), std::vector { std::move(oper) } });
+        }
+    }
+
     if (auto opt = json.find<json::array>("groups")) {
         for (const auto& group_info : opt.value()) {
             std::string group_name = group_info.at("name").as_string();
@@ -92,21 +106,7 @@ asst::battle::copilot::OperUsageGroups asst::CopilotConfig::parse_groups(const j
                 oper.skill_times = oper_info.get("skill_times", 1); // 使用技能的次数，默认为 1，兼容曾经的作业
                 oper_vec.emplace_back(std::move(oper));
             }
-            groups.emplace(std::move(group_name), std::move(oper_vec));
-        }
-    }
-
-    if (auto opt = json.find<json::array>("opers")) {
-        for (const auto& oper_info : opt.value()) {
-            OperUsage oper;
-            oper.name = oper_info.at("name").as_string();
-            oper.skill = oper_info.get("skill", 1);
-            oper.skill_usage = static_cast<battle::SkillUsage>(oper_info.get("skill_usage", 0));
-            oper.skill_times = oper_info.get("skill_times", 1); // 使用技能的次数，默认为 1，兼容曾经的作业
-
-            // 单个干员的，干员名直接作为组名
-            std::string group_name = oper.name;
-            groups.emplace(std::move(group_name), std::vector { std::move(oper) });
+            groups.emplace_back(OperUsageGroup { std::move(group_name), std::move(oper_vec) });
         }
     }
 
diff --git a/src/MaaCore/Task/Miscellaneous/BattleProcessTask.cpp b/src/MaaCore/Task/Miscellaneous/BattleProcessTask.cpp
index fdf901a4b0..130359ae56 100644
--- a/src/MaaCore/Task/Miscellaneous/BattleProcessTask.cpp
+++ b/src/MaaCore/Task/Miscellaneous/BattleProcessTask.cpp
@@ -154,7 +154,14 @@ bool asst::BattleProcessTask::to_group()
     }
 
     for (const auto& [group_name, oper_name] : m_oper_in_group) {
-        auto& this_group = get_combat_data().groups[group_name];
+        const auto& group_it = ranges::find_if(get_combat_data().groups, [&](const OperUsageGroup& pair) {
+            return pair.first == group_name;
+        });
+        if (group_it == get_combat_data().groups.end()) {
+            Log.warn(__FUNCTION__, "Group not found in combat data: ", group_name);
+            continue;
+        }
+        const auto& this_group = group_it->second;
         // there is a build error on macOS
         // https://github.com/MaaAssistantArknights/MaaAssistantArknights/actions/runs/3779762713/jobs/6425284487
         const std::string& oper_name_for_lambda = oper_name;