diff --git a/components/bt/host/bluedroid/Kconfig.in b/components/bt/host/bluedroid/Kconfig.in
index 7f69275544..11eda2002d 100644
--- a/components/bt/host/bluedroid/Kconfig.in
+++ b/components/bt/host/bluedroid/Kconfig.in
@@ -104,24 +104,24 @@ config BT_L2CAP_ENABLED
         Only supported classic bluetooth.
 
 config BT_SDP_PAD_LEN
-    int "BT SDP attributes allocated length (bytes)"
+    int "One or more BT SDP attributes total allocated length (bytes)"
     depends on BT_CLASSIC_ENABLED
     default 300
-    range   300 1024
+    range   BT_SDP_ATTR_LEN 1024
     help
         This is the total size of all SDP attributes allowed.
         Any attributes that exceed this size are truncated.
         The default value is 300.
 
 config BT_SDP_ATTR_LEN
-    int "BT SDP attribute allocated length (bytes)"
+    int "Single BT SDP attribute allocated length (bytes)"
     depends on BT_CLASSIC_ENABLED
-    default 400
-    range   400 1024
+    default 300
+    range   300 1024
     help
         This is the maximum allowed size for a single SDP attribute.
         Any attributes that exceed this size are truncated.
-        The default value is 400.
+        The default value is 300.
 
 menuconfig BT_HFP_ENABLE
     bool "Hands Free/Handset Profile"
diff --git a/components/bt/host/bluedroid/common/include/common/bluedroid_user_config.h b/components/bt/host/bluedroid/common/include/common/bluedroid_user_config.h
index b332dc6bbe..e0a42039d6 100644
--- a/components/bt/host/bluedroid/common/include/common/bluedroid_user_config.h
+++ b/components/bt/host/bluedroid/common/include/common/bluedroid_user_config.h
@@ -64,7 +64,7 @@
 #ifdef CONFIG_BT_SDP_ATTR_LEN
 #define UC_SDP_MAX_ATTR_LEN                 CONFIG_BT_SDP_ATTR_LEN
 #else
-#define UC_SDP_MAX_ATTR_LEN                 400
+#define UC_SDP_MAX_ATTR_LEN                 300
 #endif
 
 //HFP(AG)
diff --git a/components/bt/host/bluedroid/common/include/common/bt_target.h b/components/bt/host/bluedroid/common/include/common/bt_target.h
index a2b2f64d92..06c12504b4 100644
--- a/components/bt/host/bluedroid/common/include/common/bt_target.h
+++ b/components/bt/host/bluedroid/common/include/common/bt_target.h
@@ -1519,17 +1519,13 @@
 #endif
 
 /* The maximum length, in bytes, of all SDP attributes combined. */
-#if defined(UC_SDP_MAX_PAD_LEN)
+#ifndef SDP_MAX_PAD_LEN
 #define SDP_MAX_PAD_LEN             UC_SDP_MAX_PAD_LEN
-#elif !defined(SDP_MAX_PAD_LEN)
-#define SDP_MAX_PAD_LEN             300
 #endif
 
 /* The maximum length, in bytes, of an attribute. */
-#if defined(UC_SDP_MAX_ATTR_LEN)
+#ifndef SDP_MAX_ATTR_LEN
 #define SDP_MAX_ATTR_LEN            UC_SDP_MAX_ATTR_LEN
-#elif !defined(SDP_MAX_ATTR_LEN)
-#define SDP_MAX_ATTR_LEN            400
 #endif
 
 /* The maximum number of attribute filters supported by SDP databases. */