diff --git a/src/inc/taosdef.h b/src/inc/taosdef.h
index 75d1e39a921efdff64cf4587ff9ab8c4c4b33486..115630d1a543dae2e5a55dbd0d6b0a815c322e27 100644
--- a/src/inc/taosdef.h
+++ b/src/inc/taosdef.h
@@ -145,8 +145,8 @@ do { \
 
   #define GET_FLOAT_VAL(x)       taos_align_get_float(x)
   #define GET_DOUBLE_VAL(x)      taos_align_get_double(x)
-  #define SET_FLOAT_VAL(x, y)  { float z = (float)(y);   (*(int32_t*) x = *(int32_t*)z); }
-  #define SET_DOUBLE_VAL(x, y) { double z = (double)(y); (*(int64_t*) x = *(int64_t*)z); }
+  #define SET_FLOAT_VAL(x, y)  { float z = (float)(y);   (*(int32_t*) x = *(int32_t*)(&z)); }
+  #define SET_DOUBLE_VAL(x, y) { double z = (double)(y); (*(int64_t*) x = *(int64_t*)(&z)); }
   #define SET_FLOAT_PTR(x, y)  { (*(int32_t*) x = *(int32_t*)y); }
   #define SET_DOUBLE_PTR(x, y) { (*(int64_t*) x = *(int64_t*)y); }
 #else
diff --git a/src/plugins/http/src/httpGcJson.c b/src/plugins/http/src/httpGcJson.c
index fde8ae2176007b1f042393d8d1fc112198c3ff64..d50a38201f8d1b6c64e4dee6a25fdf47fec48dd6 100644
--- a/src/plugins/http/src/httpGcJson.c
+++ b/src/plugins/http/src/httpGcJson.c
@@ -148,10 +148,10 @@ bool gcBuildQueryJson(HttpContext *pContext, HttpSqlCmd *cmd, TAOS_RES *result,
             len += snprintf(target + len, HTTP_GC_TARGET_SIZE - len, "%s:%" PRId64, fields[i].name, *((int64_t *)row[i]));
             break;
           case TSDB_DATA_TYPE_FLOAT:
-            len += snprintf(target + len, HTTP_GC_TARGET_SIZE - len, "%s:%.5f", fields[i].name, *((float *)row[i]));
+            len += snprintf(target + len, HTTP_GC_TARGET_SIZE - len, "%s:%.5f", fields[i].name, GET_FLOAT_VAL(row[i]));
             break;
           case TSDB_DATA_TYPE_DOUBLE:
-            len += snprintf(target + len, HTTP_GC_TARGET_SIZE - len, "%s:%.9f", fields[i].name, *((double *)row[i]));
+            len += snprintf(target + len, HTTP_GC_TARGET_SIZE - len, "%s:%.9f", fields[i].name, GET_DOUBLE_VAL(row[i]));
             break;
           case TSDB_DATA_TYPE_BINARY:
           case TSDB_DATA_TYPE_NCHAR:
@@ -213,7 +213,7 @@ bool gcBuildQueryJson(HttpContext *pContext, HttpSqlCmd *cmd, TAOS_RES *result,
           httpJsonFloat(jsonBuf, *((float *)row[i]));
           break;
         case TSDB_DATA_TYPE_DOUBLE:
-          httpJsonDouble(jsonBuf, *((double *)row[i]));
+          httpJsonDouble(jsonBuf, GET_DOUBLE_VAL(row[i]));
           break;
         case TSDB_DATA_TYPE_BINARY:
         case TSDB_DATA_TYPE_NCHAR:
diff --git a/src/plugins/http/src/httpRestJson.c b/src/plugins/http/src/httpRestJson.c
index f8912331a367d2f5fe0e5b659bd6b4a4ad1f43ae..954678c24c8fb4597ef3184d2d65060c6d159aa1 100644
--- a/src/plugins/http/src/httpRestJson.c
+++ b/src/plugins/http/src/httpRestJson.c
@@ -124,10 +124,10 @@ bool restBuildSqlJson(HttpContext *pContext, HttpSqlCmd *cmd, TAOS_RES *result,
           httpJsonInt64(jsonBuf, *((int64_t *)row[i]));
           break;
         case TSDB_DATA_TYPE_FLOAT:
-          httpJsonFloat(jsonBuf, *((float *)row[i]));
+          httpJsonFloat(jsonBuf, GET_FLOAT_VAL(row[i]));
           break;
         case TSDB_DATA_TYPE_DOUBLE:
-          httpJsonDouble(jsonBuf, *((double *)row[i]));
+          httpJsonDouble(jsonBuf, GET_DOUBLE_VAL(row[i]));
           break;
         case TSDB_DATA_TYPE_BINARY:
         case TSDB_DATA_TYPE_NCHAR: