diff --git a/code/java/天气灾害预警/disaster_warning.ipr b/code/java/天气灾害预警/disaster_warning.ipr
index a29a969..391bc05 100644
--- a/code/java/天气灾害预警/disaster_warning.ipr
+++ b/code/java/天气灾害预警/disaster_warning.ipr
@@ -20,8 +20,8 @@
       <module name="disaster_warning" target="1.8" />
     </bytecodeTargetLevel>
   </component>
-  <component name="Encoding">
-    <file url="file://$PROJECT_DIR$/src/main/java/test/com/cpic/xim/notify/disaster/WeatherDisasterWarningGrabberTest.java" charset="GBK" />
+  <component name="Encoding" defaultCharsetForPropertiesFiles="UTF-8">
+    <file url="PROJECT" charset="UTF-8" />
   </component>
   <component name="ExportToHTMLSettings">
     <option name="PRINT_LINE_NUMBERS" value="false" />
diff --git a/code/java/天气灾害预警/src/main/java/com/cpic/xim/notify/disaster/WeatherDisasterWarningGrabber.java b/code/java/天气灾害预警/src/main/java/com/cpic/xim/notify/disaster/WeatherDisasterWarningGrabber.java
index f96890e..6a69d93 100644
--- a/code/java/天气灾害预警/src/main/java/com/cpic/xim/notify/disaster/WeatherDisasterWarningGrabber.java
+++ b/code/java/天气灾害预警/src/main/java/com/cpic/xim/notify/disaster/WeatherDisasterWarningGrabber.java
@@ -1,3 +1,7 @@
+/**
+ * @author 王炜
+ * @version 1.0
+ */
 package com.cpic.xim.notify.disaster;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
@@ -12,6 +16,9 @@ import java.net.URL;
 import java.net.HttpURLConnection;
 import java.util.zip.GZIPInputStream;
 
+/**
+ *
+ */
 public class WeatherDisasterWarningGrabber
 {
     private final static String QUERY_URL = "https://devapi.qweather.com/v7/warning/now?";
@@ -110,6 +117,12 @@ public class WeatherDisasterWarningGrabber
         return json;
     }
 
+    /**
+     * 将天气警告的json字符串转换成java对象。
+     * @param json json字符串
+     * @return  返回 QWeatherDisasterWarning 对象。
+     * @throws IOException
+     */
     public static QWeatherDisasterWarning convertWeatherDisasterWarning( String json )
             throws IOException
     {