diff --git a/include/common/tmsg.h b/include/common/tmsg.h
index 45cea85737..852d92f1e3 100644
--- a/include/common/tmsg.h
+++ b/include/common/tmsg.h
@@ -483,8 +483,7 @@ typedef struct {
   int32_t tz;  // query client timezone
   char    intervalUnit;
   char    slidingUnit;
-  char
-      offsetUnit;  // TODO Remove it, the offset is the number of precision tickle, and it must be a immutable duration.
+  char    offsetUnit;  // TODO Remove it, the offset is the number of precision tickle, and it must be a immutable duration.
   int8_t  precision;
   int64_t interval;
   int64_t sliding;
@@ -2264,6 +2263,14 @@ int32_t tSerializeSMCreateFullTextReq(void* buf, int32_t bufLen, SMCreateFullTex
 int32_t tDeserializeSMCreateFullTextReq(void* buf, int32_t bufLen, SMCreateFullTextReq* pReq);
 void    tFreeSMCreateFullTextReq(SMCreateFullTextReq* pReq);
 
+typedef struct {
+  char   name[TSDB_TABLE_FNAME_LEN];
+  int8_t igNotExists;
+} SMDropFullTextReq;
+
+int32_t tSerializeSMDropFullTextReq(void* buf, int32_t bufLen, SMDropFullTextReq* pReq);
+int32_t tDeserializeSMDropFullTextReq(void* buf, int32_t bufLen, SMDropFullTextReq* pReq);
+
 typedef struct {
   int8_t  mqMsgType;
   int32_t code;
diff --git a/source/common/src/tmsg.c b/source/common/src/tmsg.c
index 66cf0d5ed0..4923d09c9e 100644
--- a/source/common/src/tmsg.c
+++ b/source/common/src/tmsg.c
@@ -832,6 +832,26 @@ void tFreeSMCreateFullTextReq(SMCreateFullTextReq *pReq) {
   // impl later
   return;
 }
+int32_t tSerializeSMDropFullTextReq(void *buf, int32_t bufLen, SMDropFullTextReq *pReq) {
+  SCoder encoder = {0};
+  tCoderInit(&encoder, TD_LITTLE_ENDIAN, buf, bufLen, TD_ENCODER);
+
+  if (tStartEncode(&encoder) < 0) return -1;
+
+  tEndEncode(&encoder);
+  int32_t tlen = encoder.pos;
+  tCoderClear(&encoder);
+  return tlen;
+}
+int32_t tDeserializeSMDropFullTextReq(void *buf, int32_t bufLen, SMDropFullTextReq *pReq) {
+  SCoder decoder = {0};
+  tCoderInit(&decoder, TD_LITTLE_ENDIAN, buf, bufLen, TD_DECODER);
+  if (tStartDecode(&decoder) < 0) return -1;
+
+  tEndDecode(&decoder);
+  tCoderClear(&decoder);
+  return 0;
+}
 
 int32_t tSerializeSStatusReq(void *buf, int32_t bufLen, SStatusReq *pReq) {
   SCoder encoder = {0};