diff --git a/src/client/inc/tsclient.h b/src/client/inc/tsclient.h
index 0bfbf3f946a4a1428549a493ab990a2be2173266..29624e4db2ad33ed76d3b703bc870d18fcc3ab28 100644
--- a/src/client/inc/tsclient.h
+++ b/src/client/inc/tsclient.h
@@ -232,6 +232,7 @@ typedef struct SQueryInfo {
 typedef struct {
   int     command;
   uint8_t msgType;
+  char    reserve1[3];        // fix bus error on arm32
   bool    autoCreated;        // create table if it is not existed during retrieve table meta in mnode
 
   union {
@@ -244,8 +245,10 @@ typedef struct {
 
   char *       curSql;       // current sql, resume position of sql after parsing paused
   int8_t       parseFinished;
+  char    reserve2[3];        // fix bus error on arm32
 
   int16_t      numOfCols;
+  char    reserve3[2];        // fix bus error on arm32
   uint32_t     allocSize;
   char *       payload;
   int32_t      payloadLen;
@@ -255,7 +258,9 @@ typedef struct {
   int32_t      numOfParams;
 
   int8_t       dataSourceType;     // load data from file or not
+  char    reserve4[3];        // fix bus error on arm32
   int8_t       submitSchema;   // submit block is built with table schema
+  char    reserve5[3];        // fix bus error on arm32
   STagData     tagData;        // NOTE: pTagData->data is used as a variant length array
 
   SName      **pTableNameList; // all involved tableMeta list of current insert sql statement.
diff --git a/src/client/src/tscParseInsert.c b/src/client/src/tscParseInsert.c
index a5906f5539a8d40b055f580933feb4b1184331f1..d071520b88b2d961e062766233295530fe48fd0f 100644
--- a/src/client/src/tscParseInsert.c
+++ b/src/client/src/tscParseInsert.c
@@ -307,7 +307,8 @@ int32_t tsParseOneColumnData(SSchema *pSchema, SStrToken *pToken, char *payload,
           return tscInvalidSQLErrMsg(msg, "illegal float data", pToken->z);
         }
 
-        *((float *)payload) = (float)dv;
+//        *((float *)payload) = (float)dv;
+        SET_FLOAT_VAL(payload, dv);
       }
       break;
 
diff --git a/src/inc/taosmsg.h b/src/inc/taosmsg.h
index 721b9ca6054d7a1fca12304eef33a2a0ce00ddfc..4a3181a23bb304d5c29bea6fa7ef3175273e27be 100644
--- a/src/inc/taosmsg.h
+++ b/src/inc/taosmsg.h
@@ -616,6 +616,7 @@ typedef struct {
   int32_t  maxtablesPerVnode;
   int32_t  maxVgroupsPerDb;
   char     arbitrator[TSDB_EP_LEN];   // tsArbitrator
+  char     reserve[2];                // to solve arm32 bus error
   char     timezone[64];              // tsTimezone
   int64_t  checkTime;                 // 1970-01-01 00:00:00.000
   char     locale[TSDB_LOCALE_LEN];   // tsLocale