diff --git a/nfc/nfc_core/v1_0/INfcCallback.idl b/nfc/nfc_core/v1_0/INfcCallback.idl
index eec39e736904e4a5691878c3d3b5b26922f8aadb..eeb0c67b12e6154076bd16c81f210c1e3b59d170 100644
--- a/nfc/nfc_core/v1_0/INfcCallback.idl
+++ b/nfc/nfc_core/v1_0/INfcCallback.idl
@@ -35,7 +35,7 @@ import ohos.hdi.nfc.nfc_core.v1_0.NfcTypes;
 /**
  * @brief Declares callbacks for reporting data and events from the nfc chip to the nfc stack.
  *
- * @since 4.0
+ * @since 3.2
  * @version 1.0
  */
 [callback] interface INfcCallback {
@@ -44,9 +44,9 @@ import ohos.hdi.nfc.nfc_core.v1_0.NfcTypes;
     * 
     * @param data Indicates the reporting data from nfc chip.
     * 
-    * @since 4.0
+    * @since 3.2
     */
-    onData([in] List<unsigned char> data);
+    OnData([in] List<unsigned char> data);
 
     /**
     * @brief Defines the function for reporting nfc events from the nfc chip.
@@ -55,7 +55,7 @@ import ohos.hdi.nfc.nfc_core.v1_0.NfcTypes;
     * @param status Indicates the reporting nfc status defined in NfcStatus. For details,
     * see {@link NfcTypes}.
     *
-    * @since 4.0
+    * @since 3.2
     */
-    onEvent([in] enum NfcEvent event, [in] enum NfcStatus status);
+    OnEvent([in] enum NfcEvent event, [in] enum NfcStatus status);
 }
diff --git a/nfc/nfc_core/v1_0/INfcInterface.idl b/nfc/nfc_core/v1_0/INfcInterface.idl
index 52efdd49c1216cf83690e1eb1c4d85fe86ef9e3e..2b3804a147ff7f9bccc7bb2111263a027c3f8f83 100644
--- a/nfc/nfc_core/v1_0/INfcInterface.idl
+++ b/nfc/nfc_core/v1_0/INfcInterface.idl
@@ -37,7 +37,7 @@ import ohos.hdi.nfc.nfc_core.v1_0.INfcCallback;
  * disabling an nfc controller, initializing an nfc core, writing NCI data to an nfc driver, starting 
  * configuration for RF discovery of nfc remote endpoints, sending nfc commands to an nfc driver for IO control.
  *
- * @since 4.0
+ * @since 3.2
  * @version 1.0
  */
 
@@ -49,10 +49,10 @@ interface INfcInterface {
      * @return Returns <b>0</b> if the operation is succeed, otherwise marks the reason of failure.
      * For details, see {@link NfcTypes}.
      *
-     * @since 4.0
+     * @since 3.2
      * @version 1.0
      */
-    open([in] INfcCallback callbackObj, [out] enum NfcStatus status);
+    Open([in] INfcCallback callbackObj, [out] enum NfcStatus status);
 
     /**
      * @brief Configures the nfc chip after initializing the nfc core.
@@ -61,10 +61,10 @@ interface INfcInterface {
      * @return Returns <b>0</b> if the operation is succeed, otherwise marks the reason of failure.
      * For details, see {@link NfcTypes}.
      *
-     * @since 4.0
+     * @since 3.2
      * @version 1.0
      */
-    coreInitialized([in] INfcCallback callbackObj, [out] enum NfcStatus status);
+    CoreInitialized([in] INfcCallback callbackObj, [out] enum NfcStatus status);
 
     /**
      * @brief Specifically configures the nfc chip before starting RF discovering.
@@ -72,10 +72,10 @@ interface INfcInterface {
      * @return Returns <b>0</b> if the operation is succeed, otherwise marks the reason of failure.
      * For details, see {@link NfcTypes}.
      *
-     * @since 4.0
+     * @since 3.2
      * @version 1.0
      */
-    prediscover([out] enum NfcStatus status);
+    Prediscover([out] enum NfcStatus status);
 
     /**
      * @brief Writes NCI data to the nfc core.
@@ -84,10 +84,10 @@ interface INfcInterface {
      * @return Returns <b>0</b> if the operation is succeed, otherwise marks the reason of failure.
      * For details, see {@link NfcTypes}.
      *
-     * @since 4.0
+     * @since 3.2
      * @version 1.0
      */
-    write([in] List<unsigned char> data, [out] enum NfcStatus status);
+    Write([in] List<unsigned char> data, [out] enum NfcStatus status);
 
     /**
      * @brief Sets the HDF to allow to send NCI data.
@@ -95,10 +95,10 @@ interface INfcInterface {
      * @return Returns <b>0</b> if the operation is succeed, otherwise marks the reason of failure.
      * For details, see {@link NfcTypes}.
      *
-     * @since 4.0
+     * @since 3.2
      * @version 1.0
      */
-    controlGranted([out] enum NfcStatus status);
+    ControlGranted([out] enum NfcStatus status);
 
     /**
      * @brief Restarts the nfc controller according to each power cycle.
@@ -106,10 +106,10 @@ interface INfcInterface {
      * @return Returns <b>0</b>if the operation is succeed, otherwise marks the reason of failure.
      * For details, see {@link NfcTypes}.
      *
-     * @since 4.0
+     * @since 3.2
      * @version 1.0
      */
-    powerCycle([out] enum NfcStatus status);
+    PowerCycle([out] enum NfcStatus status);
 
     /**
      * @brief Disables the nfc controller and releases the resource.
@@ -117,10 +117,10 @@ interface INfcInterface {
      * @return Returns <b>0</b> if the operation is succeed, otherwise marks the reason of failure.
      * For details, see {@link NfcTypes}.
      *
-     * @since 4.0
+     * @since 3.2
      * @version 1.0
      */
-    close([out] enum NfcStatus status);
+    Close([out] enum NfcStatus status);
 
     /**
      * @brief Sends I/O control commands and data from the nfc stack to HDI.
@@ -130,8 +130,8 @@ interface INfcInterface {
      * @return Returns <b>0</b> if the operation is succeed, otherwise marks the reason of failure.
      * For details, see {@link NfcTypes}.
      *
-     * @since 4.0
+     * @since 3.2
      * @version 1.0
      */
-    ioctl([in] enum NfcCommand cmd, [in] List<unsigned char> data, [out] enum NfcStatus status);
+    Ioctl([in] enum NfcCommand cmd, [in] List<unsigned char> data, [out] enum NfcStatus status);
 }
diff --git a/nfc/nfc_core/v1_0/NfcTypes.idl b/nfc/nfc_core/v1_0/NfcTypes.idl
index 94dd7d3c9f3348a215be038d7c6f80deaea6935f..bc1e3fd2fb60c4d07b4d1d62540abc0d53148ed5 100644
--- a/nfc/nfc_core/v1_0/NfcTypes.idl
+++ b/nfc/nfc_core/v1_0/NfcTypes.idl
@@ -34,7 +34,7 @@
  * unsubscribing from sensor data, enabling or disabling a sensor, setting the sensor data reporting mode,
  * and setting sensor options such as the accuracy and measurement range.
  *
- * @since 4.0
+ * @since 3.2
  * @version 1.0
  */
 
@@ -43,7 +43,7 @@ package ohos.hdi.nfc.nfc_core.v1_0;
 /**
  * @brief Enumerates return values of the Nfc Event.
  *
- * @since 4.0
+ * @since 3.2
  */
 enum NfcEvent {
     OPEN_CPLT           = 0,
@@ -59,7 +59,7 @@ enum NfcEvent {
 /**
  * @brief Enumerates return values of the Nfc status.
  *
- * @since 4.0
+ * @since 3.2
  */
 enum NfcStatus {
     OK               = 0,
@@ -72,7 +72,7 @@ enum NfcStatus {
 /**
  * @brief Enumerates return values of the Nfc command.
  *
- * @since 4.0
+ * @since 3.2
  */
 enum NfcCommand {
     CMD_INVALID = 0,