diff --git a/components/esp_wifi/regulatory/esp_wifi_regulatory.c b/components/esp_wifi/regulatory/esp_wifi_regulatory.c
index 2003b302cc..cbcbde1b50 100644
--- a/components/esp_wifi/regulatory/esp_wifi_regulatory.c
+++ b/components/esp_wifi/regulatory/esp_wifi_regulatory.c
@@ -868,8 +868,9 @@ const wifi_regulatory_t regulatory_data[] = {
     },
     /* ESP_WIFI_REGULATORY_TYPE_PK */
     {
-        1,  /* Number of rules */
+        2,  /* Number of rules */
         {
+            { 1, 14, 2, 30, 0, 0 },  /* chan:1~14, max_bw:40M, max_power:30(dBm), dfs:0, reserved.*/
             { 149, 173, 3, 30, 0, 0 },  /* chan:149~173, max_bw:80M, max_power:30(dBm), dfs:0, reserved.*/
         }
     },
@@ -1389,8 +1390,9 @@ const wifi_regulatory_t regulatory_data[] = {
     },
     /* ESP_WIFI_REGULATORY_TYPE_PK */
     {
-        0,  /* Number of rules */
+        1,  /* Number of rules */
         {
+            { 1, 14, 2, 30, 0, 0 },  /* chan:1~14, max_bw:40M, max_power:30(dBm), dfs:0, reserved.*/
         }
     },
     /* ESP_WIFI_REGULATORY_TYPE_TG */
diff --git a/components/esp_wifi/regulatory/reg_parse.py b/components/esp_wifi/regulatory/reg_parse.py
index 984990d283..7948310005 100755
--- a/components/esp_wifi/regulatory/reg_parse.py
+++ b/components/esp_wifi/regulatory/reg_parse.py
@@ -626,7 +626,7 @@ class DBParser(object):
         pname = self._powerdup[pname]
         b = self._bands[bname]
         p = self._power[pname]
-        if (b.start >= 2400 and b.end <= 2494) or (b.start >= 5150 and b.end <= 5895):
+        if (b.start >= 2400 and b.end <= 2500) or (b.start >= 5000 and b.end <= 5900):
             try:
                 channel_tuple = self.find_channel(b.start, b.end)
                 b.start = channel_tuple[0]