diff --git a/mbtk/libgsw_lib/gsw_secrypt_ss_interface.c b/mbtk/libgsw_lib/gsw_secrypt_ss_interface.c
index d724b0b..6013227 100755
--- a/mbtk/libgsw_lib/gsw_secrypt_ss_interface.c
+++ b/mbtk/libgsw_lib/gsw_secrypt_ss_interface.c
@@ -161,7 +161,7 @@
 
 int (*prepare_tee_session)(struct test_ctx *ctx);
 void (*terminate_tee_session)(struct test_ctx *ctx);
-TEEC_Result (*read_secure_object)(struct test_ctx *ctx, const char *id,char *data, size_t data_len);
+TEEC_Result (*read_secure_object)(struct test_ctx *ctx, const char *id,char *data, size_t *data_len);
 TEEC_Result (*write_secure_object)(struct test_ctx *ctx, const char *id,char *data, size_t data_len);
 TEEC_Result (*delete_secure_object)(struct test_ctx *ctx, const char *id);
 
@@ -206,7 +206,7 @@
         return GSW_HAL_NORMAL_FAIL;
     }
 
-    read_secure_object = (TEEC_Result (*)(struct test_ctx *ctx, const char *id,char *data, size_t data_len))dlsym(dlHandle_secure, "read_secure_object");
+    read_secure_object = (TEEC_Result (*)(struct test_ctx *ctx, const char *id,char *data, size_t *data_len))dlsym(dlHandle_secure, "read_secure_object");
     if (read_secure_object == NULL) 
     {
         LOGE("read_secure_object dlsym fail\n");
@@ -246,7 +246,7 @@
         return ret;
     }
     ret = prepare_tee_session(&ctx);
-
+    LOGE("init end\n");
     return ret;
 }
 
@@ -261,12 +261,14 @@
 #define basic_buf_len  7000
 int32_t gsw_tee_read_secure_data(const char* in_obj_name, char* out_buf, unsigned int* p_out_buf_len)
 {
+    LOGE("start read\n");
     if (in_obj_name == NULL || out_buf == NULL)
     {
         return GSW_HAL_NORMAL_FAIL;
     }
-        
+    
     int32_t ret = 0;
+    size_t size = basic_buf_len;
     char *tmp_buf = (char*)malloc(basic_buf_len);
     if (NULL == tmp_buf)
     {
@@ -274,14 +276,15 @@
         return GSW_HAL_NO_MEMORY;
     }
     
-    TEEC_Result res = read_secure_object(&ctx, in_obj_name, tmp_buf, basic_buf_len);
+    TEEC_Result res = read_secure_object(&ctx, in_obj_name, tmp_buf, &size);
     if (res != TEEC_SUCCESS)
     {
 	LOGE("Failed to read an object from the secure storage");
         ret = GSW_HAL_NORMAL_FAIL;
     }
-    memcpy(out_buf, tmp_buf, strlen(tmp_buf)+1);
-    *p_out_buf_len = strlen(out_buf);
+    LOGE("really start end\n");
+    memcpy(out_buf, tmp_buf, size);
+    *p_out_buf_len = size;
     free(tmp_buf);
     return ret;
 }
@@ -295,6 +298,7 @@
 */
 int32_t gsw_tee_write_secure_data(const char* in_obj_name, char* in_buf, unsigned int in_buf_len)
 {
+    LOGE("write start\n");
     if (in_obj_name == NULL || in_buf == NULL)
         return GSW_HAL_NORMAL_FAIL;
     int32_t ret = 0;
@@ -305,7 +309,7 @@
 	LOGE("Failed to write an object from the secure storage");
         ret = GSW_HAL_NORMAL_FAIL;
     }
-
+    LOGE("write really end\n");
     return ret;
 }
 
@@ -317,6 +321,7 @@
 */
 int32_t gsw_tee_delete_secure_data(const char* in_obj_name)
 {
+    LOGE("delete start\n");
     if (in_obj_name == NULL)
         return GSW_HAL_NORMAL_FAIL;
     int32_t ret = 0;
@@ -327,7 +332,7 @@
 	LOGE("Failed to delete the object: 0x%x", res);
         ret = GSW_HAL_NORMAL_FAIL;
     }
-
+    LOGE("delete really end\n");
     return ret;
 }
 
@@ -341,14 +346,14 @@
     if (in_obj_name == NULL)
         return GSW_HAL_NORMAL_FAIL;
     int32_t ret = 1;
-
+    size_t size = basic_buf_len;
     char *tmp_buf = (char*)malloc(basic_buf_len);
     if (NULL == tmp_buf)
     {
         LOGE("Failed malloc fail");
         return GSW_HAL_NO_MEMORY;
     }
-    TEEC_Result res = read_secure_object(&ctx, in_obj_name, tmp_buf, basic_buf_len);
+    TEEC_Result res = read_secure_object(&ctx, in_obj_name, tmp_buf, &size);
     if (res == TEEC_ERROR_ITEM_NOT_FOUND)
     {
         LOGE("the obj no found\n");
@@ -376,6 +381,7 @@
 */
 int32_t gsw_tee_sdk_deinit(void)
 {
+    LOGE("deinit start\n");
     if (terminate_tee_session) {
         terminate_tee_session(&ctx);  // 终止TEE会话
         terminate_tee_session = NULL;
@@ -390,7 +396,7 @@
         dlclose(dlHandle_mbtk);  // 卸载日志库
         dlHandle_mbtk = NULL;
     }
-
+    LOGE("deinit end\n");
     return GSW_HAL_SUCCESS;
 }