diff --git a/package/flashdb/fdb_cfg.h b/package/flashdb/fdb_cfg.h
index f4aed4c9c..8dad4af64 100644
--- a/package/flashdb/fdb_cfg.h
+++ b/package/flashdb/fdb_cfg.h
@@ -9,9 +9,12 @@
  * @brief configuration file
  */
 
+
 #ifndef _FDB_CFG_H_
 #define _FDB_CFG_H_
 
+#include "PikaObj.h"
+
 /* using KVDB feature */
 #define FDB_USING_KVDB
 
@@ -33,8 +36,12 @@
 /* #define FDB_PRINT(...)              my_printf(__VA_ARGS__) */
 
 /* print debug information */
+#ifndef PIKA_FDB_DEBUG_ENABLE
+#define PIKA_FDB_DEBUG_ENABLE 0
+#endif
+
+#if PIKA_FDB_DEBUG_ENABLE
 #define FDB_DEBUG_ENABLE
-#define FDB_KV_CACHE_TABLE_SIZE 0
-#define FDB_SECTOR_CACHE_TABLE_SIZE 0
+#endif
 
 #endif /* _FDB_CFG_H_ */
diff --git a/package/flashdb/fdb_file.c b/package/flashdb/fdb_file.c
index 125780d66..96ca7b401 100644
--- a/package/flashdb/fdb_file.c
+++ b/package/flashdb/fdb_file.c
@@ -226,15 +226,15 @@ fdb_err_t _fdb_file_erase(fdb_db_t db, uint32_t addr, size_t size) {
         pika_platform_fseek(fp, 0, SEEK_SET);
         for (i = 0; i * BUF_SIZE < size; i++) {
             memset(buf, 0xFF, BUF_SIZE);
-            size_t sizew = pika_platform_fwrite(buf, BUF_SIZE, 1, fp);
-            if (sizew != 1) {
+            size_t sizew = pika_platform_fwrite(buf, 1, BUF_SIZE, fp);
+            if (sizew != BUF_SIZE) {
                 FDB_PRINT("Error: write (%s) file failed.\n", db->name);
                 result = FDB_WRITE_ERR;
                 break;
             }
         }
         memset(buf, 0xFF, BUF_SIZE);
-        size_t sizew = pika_platform_fwrite(buf, size - i * BUF_SIZE, 1, fp);
+        size_t sizew = pika_platform_fwrite(buf, 1, size - i * BUF_SIZE, fp);
         if (sizew != size - i * BUF_SIZE) {
             FDB_PRINT("Error: write (%s) file failed.\n", db->name);
             result = FDB_WRITE_ERR;
diff --git a/port/linux/package/pikascript/pikascript-lib/flashdb/fdb_cfg.h b/port/linux/package/pikascript/pikascript-lib/flashdb/fdb_cfg.h
index f4aed4c9c..8dad4af64 100644
--- a/port/linux/package/pikascript/pikascript-lib/flashdb/fdb_cfg.h
+++ b/port/linux/package/pikascript/pikascript-lib/flashdb/fdb_cfg.h
@@ -9,9 +9,12 @@
  * @brief configuration file
  */
 
+
 #ifndef _FDB_CFG_H_
 #define _FDB_CFG_H_
 
+#include "PikaObj.h"
+
 /* using KVDB feature */
 #define FDB_USING_KVDB
 
@@ -33,8 +36,12 @@
 /* #define FDB_PRINT(...)              my_printf(__VA_ARGS__) */
 
 /* print debug information */
+#ifndef PIKA_FDB_DEBUG_ENABLE
+#define PIKA_FDB_DEBUG_ENABLE 0
+#endif
+
+#if PIKA_FDB_DEBUG_ENABLE
 #define FDB_DEBUG_ENABLE
-#define FDB_KV_CACHE_TABLE_SIZE 0
-#define FDB_SECTOR_CACHE_TABLE_SIZE 0
+#endif
 
 #endif /* _FDB_CFG_H_ */
diff --git a/port/linux/package/pikascript/pikascript-lib/flashdb/fdb_file.c b/port/linux/package/pikascript/pikascript-lib/flashdb/fdb_file.c
index 125780d66..96ca7b401 100644
--- a/port/linux/package/pikascript/pikascript-lib/flashdb/fdb_file.c
+++ b/port/linux/package/pikascript/pikascript-lib/flashdb/fdb_file.c
@@ -226,15 +226,15 @@ fdb_err_t _fdb_file_erase(fdb_db_t db, uint32_t addr, size_t size) {
         pika_platform_fseek(fp, 0, SEEK_SET);
         for (i = 0; i * BUF_SIZE < size; i++) {
             memset(buf, 0xFF, BUF_SIZE);
-            size_t sizew = pika_platform_fwrite(buf, BUF_SIZE, 1, fp);
-            if (sizew != 1) {
+            size_t sizew = pika_platform_fwrite(buf, 1, BUF_SIZE, fp);
+            if (sizew != BUF_SIZE) {
                 FDB_PRINT("Error: write (%s) file failed.\n", db->name);
                 result = FDB_WRITE_ERR;
                 break;
             }
         }
         memset(buf, 0xFF, BUF_SIZE);
-        size_t sizew = pika_platform_fwrite(buf, size - i * BUF_SIZE, 1, fp);
+        size_t sizew = pika_platform_fwrite(buf, 1, size - i * BUF_SIZE, fp);
         if (sizew != size - i * BUF_SIZE) {
             FDB_PRINT("Error: write (%s) file failed.\n", db->name);
             result = FDB_WRITE_ERR;