diff --git a/src/area/index.js b/src/area/index.js
index e60357c27..eb18aaf93 100644
--- a/src/area/index.js
+++ b/src/area/index.js
@@ -137,6 +137,10 @@ export default createComponent({
 
       code = code.slice(0, compareNum);
 
+      if(type === 'county') {
+        compareNum = code.length
+      }
+
       for (let i = 0; i < list.length; i++) {
         if (list[i].code.slice(0, compareNum) === code) {
           return i;