diff --git a/src/ZB.MOM.WW.ScadaBridge.CentralUI/wwwroot/js/monaco-init.js b/src/ZB.MOM.WW.ScadaBridge.CentralUI/wwwroot/js/monaco-init.js
index 695a2b3b..99564951 100644
--- a/src/ZB.MOM.WW.ScadaBridge.CentralUI/wwwroot/js/monaco-init.js
+++ b/src/ZB.MOM.WW.ScadaBridge.CentralUI/wwwroot/js/monaco-init.js
@@ -314,6 +314,7 @@
             }
         }
         defaults.setDiagnosticsOptions({
+            ...defaults.diagnosticsOptions,
             validate: true,
             enableSchemaRequest: false,
             schemas: schemas
@@ -437,12 +438,14 @@
         // a disposed json editor leaves nothing behind in the global defaults.
         if (entry.isJson) {
             try { applyJsonSchema(id, null); } catch (e) {}
+        }
+        try { entry.editor.dispose(); } catch (e) {}
+        if (entry.isJson) {
             try {
                 const model = monaco.editor.getModel(modelUriFor(id));
                 if (model) model.dispose();
             } catch (e) {}
         }
-        try { entry.editor.dispose(); } catch (e) {}
         delete editors[id];
     }