refactor of delta config

opencv-motion-detect/evcloudsvc.cpp

@@ -465,9 +465,9 @@ private:
             if(this->configMap["sn2mods"].count(sn) != 0) {
                 auto mods = this->configMap["sn2mods"][sn];
                 set<string> s;
-                for(const string & elem : mods) {
-                    s.insert(this->configMap["mod2mgr"][elem].get<string>());
-                    spdlog::info("evcloudsvc {}->{}", elem, this->configMap["mod2mgr"][elem].get<string>());
+                for(auto &[k,v]: mods.items()) {
+                    s.insert(this->configMap["mod2mgr"][k].get<string>());
+                    spdlog::info("evcloudsvc mod2mgr {}->{}", k, this->configMap["mod2mgr"][k].get<string>());
                 }
 
                 for(auto &key : s) {

opencv-motion-detect/inc/utils.cpp

@@ -534,9 +534,10 @@ json getModulesOperFromConfDiff(json& oldConfig, json &newConfig, json &diff, st
             ret["code"] = 1;
         }   
     }catch(exception &e) {
-        spdlog::error("getModulesOperFromConfDiff exception: {}", e.what());
+        string msg = fmt::format("getModulesOperFromConfDiff exception: {}", e.what());
         ret["code"] = -1;
-        ret["msg"] = e.what();
+        ret["msg"] = msg;
+        spdlog::error("getModulesOperFromConfDiff exception: {}", msg);
     }
 
     return ret;