修复location为空的bug

aliyun-sls-appender.js

@@ -14,7 +14,7 @@ function location(loggingEvent) {
     if (loggingEvent.callStack) {
         return `${loggingEvent.categoryName} ${loggingEvent.functionName}(${loggingEvent.fileName}:${loggingEvent.lineNumber}:${loggingEvent.columnNumber})`;
     }
-    return loggingEvent.categoryName === 'default' ? undefined : loggingEvent.categoryName;
+    return loggingEvent.categoryName || '';
 }
 
 function time(loggingEvent, timeFormat, timezoneOffset) {
@@ -35,7 +35,7 @@ module.exports.configure = function (config, layouts) {
     const layout = config.layout ?
         layouts.layout(config.layout.type, config.layout) :
         layouts.layout;
-    const timeFormat = config.timeFormat || dateFormat.ISO8601_WITH_TZ_OFFSET_FORMAT;
+    const timeFormat = config.timeFormat || 'yyyy-MM-ddThh:mmO';
 
     const sls = new ALY.SLS(config);
     const { projectName, logStoreName, topic } = config;

package.json

 {
   "name": "log4js-aliyun-sls",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "",
   "main": "index.js",
   "scripts": {