diff --git a/site/app.py b/site/app.py
index 04f651f..59618d8 100644
--- a/site/app.py
+++ b/site/app.py
@@ -18,7 +18,7 @@ from routes.api import bp as api_bp
 from routes.api_test import bp as api_test_bp
 
 # Версия — меняется при КАЖДОМ изменении кода. Показывается в топбаре UI.
-VERSION = "1.1.8"
+VERSION = "1.1.9"
 
 app = Flask(__name__, template_folder="templates", static_folder="static")
 app.config["NUBES_API_ENDPOINT"] = os.getenv("NUBES_API_ENDPOINT", "https://lk-api-gateway-test.ngcloud.ru/api/v1/svc")
diff --git a/site/static/app.js b/site/static/app.js
index c20c319..397beee 100644
--- a/site/static/app.js
+++ b/site/static/app.js
@@ -169,6 +169,28 @@ function showParams(opId,opName){
                 input=`<select name="p_${p.svcOperationCfsParamId}" data-type="ref">${opts}</select>`;
             }else if(p.dataType==='boolean'){
                 input=`<select name="p_${p.svcOperationCfsParamId}" data-type="boolean"><option value="true" ${dfl==='true'||dfl===true?'selected':''}>true</option><option value="false" ${dfl==='false'||dfl===false?'selected':''}>false</option></select>`;
+            }else if(p.dataDescriptor&&isMap){
+                // Раскрыть dataDescriptor — вложенные поля вместо JSON-строки
+                const dd=p.dataDescriptor;
+                let subHtml='';
+                let dflObj={};
+                try{dflObj=JSON.parse(dfl||'{}');}catch(e){}
+                Object.keys(dd).forEach(subKey=>{
+                    const sub=dd[subKey];
+                    const subDfl=dflObj[subKey]!==undefined?dflObj[subKey]:'';
+                    const subVl=sub.valueList;
+                    let si;
+                    if(subVl&&Array.isArray(subVl)){
+                        si=`<select name="p_${p.svcOperationCfsParamId}.${subKey}" data-type="mapchild">${subVl.map(v=>`<option value="${_esc(v)}" ${v==subDfl?'selected':''}>${_esc(v)}</option>`).join('')}</select>`;
+                    }else if(sub.dataType==='boolean'){
+                        si=`<select name="p_${p.svcOperationCfsParamId}.${subKey}" data-type="mapchild"><option value="true" ${subDfl==='true'||subDfl===true?'selected':''}>true</option><option value="false" ${subDfl==='false'||subDfl===false?'selected':''}>false</option></select>`;
+                    }else{
+                        si=`<input type="text" name="p_${p.svcOperationCfsParamId}.${subKey}" value="${_esc(subDfl)}" data-type="mapchild">`;
+                    }
+                    subHtml+=`<div class="param-row"><label>${_esc(subKey)}</label>${si}</div>`;
+                });
+                input=`<div style="border-left:2px solid var(--brand-gray);margin-left:8px;padding:0 0 4px 8px;">${subHtml}</div>`;
+                return `<div class="param-row"><label class="${labelCls}">${_esc(p.name)}</label></div>${input}`;
             }else{
                 const dt=isMap?'map':'';
                 input=`<input type="text" name="p_${p.svcOperationCfsParamId}" value="${_esc(dfl)}" data-type="${dt}" placeholder="${req&&!hasDfl?'обязательно':''}"${isMap?' onblur="validateJson(this)"':''}>`;
@@ -190,13 +212,25 @@ function showParams(opId,opName){
                 return;
             }
             const pp={};
+            const nested={};  // {parentKey: {subKey: value, ...}}
             document.querySelectorAll('#params-form [name^="p_"]').forEach(el=>{
                 let v=el.value;
                 const dt=el.dataset.type||'';
+                if(dt==='mapchild'){
+                    const name=el.name.replace('p_','');
+                    const dot=name.indexOf('.');
+                    const parentKey=name.substring(0,dot);
+                    const subKey=name.substring(dot+1);
+                    if(!nested[parentKey]) nested[parentKey]={};
+                    nested[parentKey][subKey]=v;
+                    return;
+                }
                 if(dt==='array'||dt.startsWith('array')) v=JSON.stringify([v]);
                 if(dt==='map'||dt==='map-fixed') v=v||'{}';
                 pp[el.name.replace('p_','')]=v;
             });
+            // Сериализовать вложенные объекты в JSON строки
+            for(const pk in nested) pp[pk]=JSON.stringify(nested[pk]);
             executeOp(pp);
         };
     });