diff --git a/README.md b/README.md
index 47187f6..03387b1 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,9 @@
-# CountryCodeAndPhoneCode
-国家或地区 区号对应的电话区号
+# 国家或地区 区号对应的电话区号
+CountryCodeAndPhoneCode
+
+## 快捷查询工具
+> https://tools.so8.org/cqh/
+
 
 |英文名称|中文名称|国家区域Code|电话区号|
 |:---:|:----:|:------:|:------:|
diff --git a/all/countryCodeAndPhoneCode.json b/all/countryCodeAndPhoneCode.json
index eaa263b..4088c6c 100644
--- a/all/countryCodeAndPhoneCode.json
+++ b/all/countryCodeAndPhoneCode.json
@@ -291,7 +291,7 @@
         "english_name":"Republic Of The Congo",
         "chinese_name":"刚果共和国",
         "country_code":"CG",
-        "phone_code":"242"
+        "phone_code":"242 243"
     },
     {
         "english_name":"Cook Islands",
@@ -353,12 +353,6 @@
         "country_code":"DM",
         "phone_code":"1767"
     },
-    {
-        "english_name":"Dominican Republic",
-        "chinese_name":"多米尼加共和国",
-        "country_code":"DO",
-        "phone_code":"1809"
-    },
     {
         "english_name":"Ecuador",
         "chinese_name":"厄瓜多尔",
@@ -1229,6 +1223,12 @@
         "country_code":"TH",
         "phone_code":"66"
     },
+    {
+        "english_name":"The Republic of South Sudan",
+        "chinese_name":"南苏丹共和国",
+        "country_code":"SS",
+        "phone_code":"211"
+    },
     {
         "english_name":"Timor-Leste",
         "chinese_name":"东帝汶",