Update venera api

_venera_.js

@@ -39,6 +39,36 @@ let Convert = {
         });
     },
 
+    /**
+     * @param str {string}
+     * @returns {ArrayBuffer}
+     *
+     * @since 1.4.3
+     */
+    encodeGbk: (str) => {
+        return sendMessage({
+            method: "convert",
+            type: "gbk",
+            value: str,
+            isEncode: true
+        });
+    },
+
+    /**
+     * @param value {ArrayBuffer}
+     * @returns {string}
+     *
+     * @since 1.4.3
+     */
+    decodeGbk: (value) => {
+        return sendMessage({
+            method: "convert",
+            type: "gbk",
+            value: value,
+            isEncode: false
+        });
+    },
+
     /**
      * @param {ArrayBuffer} value
      * @returns {string}