diff --git a/mbtk/libgsw_lib/gsw_data.c b/mbtk/libgsw_lib/gsw_data.c
index e26e35b..c60077f 100755
--- a/mbtk/libgsw_lib/gsw_data.c
+++ b/mbtk/libgsw_lib/gsw_data.c
@@ -152,6 +152,8 @@
 #define LOG_VERBOSE_LEVEL 8
 #endif
 
+#define GSW_DATA "[HAL][GSW_DATA]"
+
 #define LOGV(fmt, args ...) \
     do{ \
         char *file_ptr_1001 = __FILE__; \
@@ -163,7 +165,7 @@
                  break; \
             ptr_1001--; \
         } \
-        mbtk_log(LOG_VERBOSE_LEVEL, "%s#%s: " fmt, ptr_1001 + 1, line_1001, ##args); \
+        mbtk_log(LOG_VERBOSE_LEVEL, "%s#%s: "GSW_DATA"" fmt, ptr_1001 + 1, line_1001, ##args); \
     } while(0)
 
 #define LOGI(fmt, args...) \
@@ -177,7 +179,7 @@
                  break; \
             ptr_1001--; \
         } \
-        mbtk_log(LOG_INFO_LEVEL, "%s#%s: " fmt, ptr_1001 + 1, line_1001, ##args); \
+        mbtk_log(LOG_INFO_LEVEL, "%s#%s: "GSW_DATA"" fmt, ptr_1001 + 1, line_1001, ##args); \
     } while(0)
 
 #define LOGD(fmt, args...) \
@@ -191,7 +193,7 @@
                  break; \
             ptr_1001--; \
         } \
-        mbtk_log(LOG_DEBUG_LEVEL, "%s#%s: " fmt, ptr_1001 + 1, line_1001, ##args); \
+        mbtk_log(LOG_DEBUG_LEVEL, "%s#%s: "GSW_DATA"" fmt, ptr_1001 + 1, line_1001, ##args); \
     } while(0)
 
 #define LOGW(fmt, args...) \
@@ -205,7 +207,7 @@
                  break; \
             ptr_1001--; \
         } \
-        mbtk_log(LOG_WARN_LEVEL, "%s#%s: " fmt, ptr_1001 + 1, line_1001, ##args); \
+        mbtk_log(LOG_WARN_LEVEL, "%s#%s: "GSW_DATA"" fmt, ptr_1001 + 1, line_1001, ##args); \
     } while(0)
 
 #define LOGE(fmt, args...) \
@@ -219,7 +221,7 @@
                  break; \
             ptr_1001--; \
         } \
-        mbtk_log(LOG_ERR_LEVEL, "%s#%s: " fmt, ptr_1001 + 1, line_1001, ##args); \
+        mbtk_log(LOG_ERR_LEVEL, "%s#%s: "GSW_DATA"" fmt, ptr_1001 + 1, line_1001, ##args); \
     } while(0)