当前版本是否支持字符类型与数字类型的计算？如下代码会报 java.lang.Character cannot be cast to class java.lang.Number

[shark-ctrl]

@test
public void test() throws Exception {

    System.out.println('a'<98);
    ExpressRunner runner = new ExpressRunner();
    String[] expList = new String[]{
           " String ocr_address=\"aabbcc\";\n" +
                   "        String busi_address=\"ａａｂｂｃｃ\";\n" +
                   "        if (ocr_address == null || ocr_address == \"\") {\n" +
                   "            System.out.println(false);\n" +
                   "        } else {\n" +
                   "            char[] c = busi_address.toCharArray();\n" +
                   "            for (int i = 0; i < c.length; i++) {\n" +
                   "                if (c[i] == 12288) {\n" +
                   "                    c[i] = (char) 32;\n" +
                   "                    continue;\n" +
                   "                }\n" +
                   "                if (c[i] > 65280 && c[i] < 65375)\n" +
                   "                    c[i] = (char) (c[i] - 65248);\n" +
                   "            }\n" +
                   "            busi_address = new String(c);\n" +
                   "            System.out.println(ocr_address.equals(busi_address));\n" +
                   "        }"
    };
    IExpressContext<String, Object> context = new DefaultContext<String, Object>();
    context.put("test",'a'+0);
    for(String exp : expList) {
        Object result = runner.execute(exp, context, null, true, false);
        System.out.println(result);
        assert (true == (Boolean) result);
    }
}