fix: statement problem

packages/interpreter/src/interpreter.js

@@ -102,10 +102,11 @@ export class Interpreter {
   SetAttribute(root, field, value, ns) {
     const name = field;
     const node = this.nodes[root];
+    console.log(ns);
     if (ns === "style") {
       // @ts-ignore
       node.style[name] = value;
-    } else if (ns != null || ns !== undefined) {
+    } else if (ns != null || ns != undefined) {
       node.setAttributeNS(ns, name, value);
     } else {
       switch (name) {