修改

src/generat.js

@@ -41,7 +41,7 @@ function getSubType(subtype, importedModels) {
     }
     if (subtype.startsWith("Map«")) {
         const [keyType, valueType] = subtype.slice(4, -1).split(',');
-        return `{[${keyType}]: ${valueType}}`;
+        return `{[index: ${keyType}]: ${valueType}}`;
     }
     throw new Error("为识别的subtype：" + subtye)
 }