diff --git a/cmake/cmake.options b/cmake/cmake.options
index edaab3bd45fe5bf63cf3514c0fc5bec07f076856..e44a38b3f516352ee21ceaa3a51e5580ac664d0a 100644
--- a/cmake/cmake.options
+++ b/cmake/cmake.options
@@ -37,6 +37,7 @@ option(
     off 
 )
 
+
 option(
     BUILD_WITH_NURAFT
     "If build with NuRaft" 
@@ -54,3 +55,9 @@ option(
     "If use doxygen build documents" 
     OFF
 )
+
+option(
+   USE_INVERTEDINDEX
+   "If use invertedIndex" 
+   ON 
+)
diff --git a/include/libs/index/index.h b/include/libs/index/index.h
index 0885ce151ef1cf13e4e6c3b408440d0fdd7f135c..2cc2aeb6a0ce1bdf18302fcf0e33c0e10a14d5d7 100644
--- a/include/libs/index/index.h
+++ b/include/libs/index/index.h
@@ -24,6 +24,7 @@ extern "C" {
 #endif
 
 typedef struct SIndex SIndex;
+typedef struct SIndexTerm SIndexTerm;
 typedef struct SIndexOpts SIndexOpts;
 typedef struct SIndexMultiTermQuery SIndexMultiTermQuery;
 typedef struct SArray               SIndexMultiTerm;
@@ -35,7 +36,7 @@ typedef enum  {
    ADD_INDEX,    // add index on specify column
    DROP_INDEX,   // drop existed index 
    DROP_SATBLE   // drop stable 
-} SIndexColumnType;
+} SIndexOperOnColumn;
 
 typedef enum  { MUST = 0, SHOULD = 1, NOT = 2 } EIndexOperatorType;
 typedef enum  { QUERY_TERM = 0, QUERY_PREFIX = 1, QUERY_SUFFIX = 2,QUERY_REGEX = 3} EIndexQueryType;
@@ -45,7 +46,7 @@ typedef enum  { QUERY_TERM = 0, QUERY_PREFIX = 1, QUERY_SUFFIX = 2,QUERY_REGEX =
 */
 SIndexMultiTermQuery *indexMultiTermQueryCreate(EIndexOperatorType oper);
 void            indexMultiTermQueryDestroy(SIndexMultiTermQuery *pQuery);
-int             indexMultiTermQueryAdd(SIndexMultiTermQuery *pQuery, const char *field, int32_t nFields, const char *value, int32_t nValue, EIndexQueryType type);
+int             indexMultiTermQueryAdd(SIndexMultiTermQuery *pQuery, SIndexTerm *term, EIndexQueryType type);
 /* 
  * @param:    
  * @param:
@@ -61,8 +62,8 @@ int   indexRebuild(SIndex *index, SIndexOpts *opt);
  * @param
  */
 SIndexMultiTerm *indexMultiTermCreate(); 
-int     indexMultiTermAdd(SIndexMultiTerm *terms, const char *field, int32_t nFields, const char *value, int32_t nValue);
-void    indexMultiTermDestroy(SIndexMultiTerm *terms);
+int indexMultiTermAdd(SIndexMultiTerm  *terms, SIndexTerm *term);
+void indexMultiTermDestroy(SIndexMultiTerm *terms);
 /*
  * @param: 
  * @param:
@@ -70,6 +71,17 @@ void    indexMultiTermDestroy(SIndexMultiTerm *terms);
 SIndexOpts *indexOptsCreate();
 void       indexOptsDestroy(SIndexOpts *opts);
 
+
+/*
+ * @param:
+ * @param:
+ */
+
+SIndexTerm *indexTermCreate(int64_t suid, SIndexOperOnColumn operType, uint8_t colType, 
+                            const char *colName, int32_t nColName, const char *colVal, int32_t nColVal);
+void        indexTermDestroy(SIndexTerm *p);
+
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/source/libs/index/inc/indexInt.h b/source/libs/index/inc/indexInt.h
index cc740826e9add90f9ac9d5cf28cf6bb0989e2d49..fb5a9e40b5dea446e4d89b2836e5a50d1c52f75f 100644
--- a/source/libs/index/inc/indexInt.h
+++ b/source/libs/index/inc/indexInt.h
@@ -60,22 +60,21 @@ struct SIndexMultiTermQuery {
 
 // field and key;
 typedef struct SIndexTerm {
-  uint8_t type;  // term data type, str/interger/json
-  char    *key;
-  int32_t nKey;
-  char    *val;
-  int32_t nVal;
+  int64_t           suid; 
+  SIndexOperOnColumn operType; // oper type, add/del/update
+  uint8_t            colType;  // term data type, str/interger/json
+  char    *colName;
+  int32_t nColName;
+  char    *colVal;
+  int32_t nColVal;
 } SIndexTerm;
 
 typedef struct SIndexTermQuery {
-  SIndexTerm*     field_value;
-  EIndexQueryType type;
+  SIndexTerm*     term;
+  EIndexQueryType qType;
 } SIndexTermQuery;
 
 
-SIndexTerm *indexTermCreate(const char *key, int32_t nKey, const char *val, int32_t nVal);
-void        indexTermDestroy(SIndexTerm *p);
-
 
 #define indexFatal(...) do { if (sDebugFlag & DEBUG_FATAL) { taosPrintLog("index FATAL ", 255, __VA_ARGS__); }}     while(0)
 #define indexError(...) do { if (sDebugFlag & DEBUG_ERROR) { taosPrintLog("index ERROR ", 255, __VA_ARGS__); }}     while(0)
diff --git a/source/libs/index/inc/index_cache.h b/source/libs/index/inc/index_cache.h
index 39107a78aca3e38d4417c291afef64ad1a1f3db7..b952e16a8e0929d61595f1d833e045b261acfa74 100644
--- a/source/libs/index/inc/index_cache.h
+++ b/source/libs/index/inc/index_cache.h
@@ -38,13 +38,13 @@ typedef struct IndexCache {
 // 
 IndexCache *indexCacheCreate();
 
-void indexCacheDestroy(IndexCache *cache);
+void indexCacheDestroy(void *cache);
 
-int indexCachePut(IndexCache *cache, int16_t fieldId, int16_t fieldType, const char *fieldValue,  int32_t fvLen, 
+int indexCachePut(void *cache, int16_t fieldId, int16_t fieldType, const char *fieldValue,  int32_t fvLen, 
               uint32_t version, uint64_t uid, int8_t operType);
 
-int indexCacheGet(IndexCache *cache, uint64_t *rst);
-int indexCacheSearch(IndexCache *cache, SIndexMultiTermQuery *query, SArray *result);
+int indexCacheGet(void *cache, uint64_t *rst);
+int indexCacheSearch(void *cache, SIndexMultiTermQuery *query, SArray *result);
 
 #ifdef __cplusplus
 }
diff --git a/source/libs/index/src/index.c b/source/libs/index/src/index.c
index 6a2697491d4b570d80842e2ee2e4394193663b23..ca6c2062f144bd24642019d6ac7f3ad520219ac6 100644
--- a/source/libs/index/src/index.c
+++ b/source/libs/index/src/index.c
@@ -46,7 +46,7 @@ SIndex *indexOpen(SIndexOpts *opts, const char *path) {
   index_t *index = index_open(path);      
   sIdx->index = index;
 #endif
-  
+
   sIdx->cache    = (void*)indexCacheCreate();     
   sIdx->tindex   = NULL;
   sIdx->fieldObj = taosHashInit(8, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, HASH_ENTRY_LOCK);
@@ -61,9 +61,12 @@ void indexClose(SIndex *sIdx) {
   index_close(sIdex->index); 
   sIdx->index = NULL;
 #endif
+
+#ifdef USE_INVERTEDINDEX
   indexCacheDestroy(sIdx->cache);
   taosHashCleanup(sIdx->fieldObj); 
   pthread_mutex_destroy(&sIdx->mtx);
+#endif
   free(sIdx);  
   return;
 }
@@ -86,6 +89,7 @@ int indexPut(SIndex *index, SArray* fVals, int uid) {
     index_document_destroy(doc);
 #endif
 
+#ifdef USE_INVERTEDINDEX
    //TODO(yihao): reduce the lock range 
   pthread_mutex_lock(&index->mtx);   
   for (int i = 0; i < taosArrayGetSize(fVals); i++) {
@@ -106,11 +110,16 @@ int indexPut(SIndex *index, SArray* fVals, int uid) {
     SIdxFieldInfo *fi = taosHashGet(index->fieldObj, p->key, p->nKey);
     assert(fi !=  NULL); 
     int32_t fieldId = fi->fieldId; 
-    int32_t colType = fi->type;  
+    int32_t fieldType = fi->type;  
     int32_t version = index->cVersion;
-     
+    int res = indexCachePut(index->cache, fieldId, fieldType, p->val, p->nVal, version, uid, p->operType);     
+    if (ret != 0) {
+      return  
+    }
   }
   pthread_mutex_unlock(&index->mtx);
+#endif
+
   return 1;
 }
 int indexSearch(SIndex *index, SIndexMultiTermQuery *multiQuerys, SArray *result) {
@@ -148,16 +157,26 @@ int indexSearch(SIndex *index, SIndexMultiTermQuery *multiQuerys, SArray *result
   free(fields);
   free(keys);
   free(types);
+#endif
+
+#ifdef USE_INVERTEDINDEX
+  
 #endif
   return 1;
 }
 
 
 int indexDelete(SIndex *index, SIndexMultiTermQuery *query) {
+#ifdef USE_INVERTEDINDEX
+#endif
     
   return 1;
 }
-int indexRebuild(SIndex *index, SIndexOpts *opts);
+int indexRebuild(SIndex *index, SIndexOpts *opts) {
+#ifdef USE_INVERTEDINDEX
+#endif
+
+}
 
 
 SIndexOpts *indexOptsCreate() {
@@ -184,53 +203,55 @@ SIndexMultiTermQuery *indexMultiTermQueryCreate(EIndexOperatorType opera) {
 void indexMultiTermQueryDestroy(SIndexMultiTermQuery *pQuery) {
   for (int i = 0; i < taosArrayGetSize(pQuery->query); i++) {
     SIndexTermQuery *p = (SIndexTermQuery *)taosArrayGet(pQuery->query, i);
-    indexTermDestroy(p->field_value);
+    indexTermDestroy(p->term);
   }
   taosArrayDestroy(pQuery->query);     
   free(pQuery);
 };
-int indexMultiTermQueryAdd(SIndexMultiTermQuery *pQuery, const char *field, int32_t nFields, const char *value, int32_t nValue, EIndexQueryType type){
-  SIndexTerm *t = indexTermCreate(field, nFields, value, nValue);  
-  if (t == NULL) {return -1;}
-  SIndexTermQuery q = {.type = type, .field_value = t};   
+int indexMultiTermQueryAdd(SIndexMultiTermQuery *pQuery, SIndexTerm *term, EIndexQueryType qType){
+  SIndexTermQuery q = {.qType = qType, .term = term};   
   taosArrayPush(pQuery->query, &q);
   return 0;
 }
 
 
-SIndexTerm *indexTermCreate(const char *key, int32_t nKey, const char *val, int32_t nVal) {
-  SIndexTerm *t = (SIndexTerm *)malloc(sizeof(SIndexTerm)); 
-  t->key  = (char *)calloc(nKey + 1, 1);
-  memcpy(t->key, key, nKey);
-  t->nKey = nKey;
+SIndexTerm *indexTermCreate(int64_t suid, SIndexOperOnColumn oper, uint8_t colType, const char *colName, int32_t nColName, const char *colVal, int32_t nColVal) {
+  SIndexTerm *t = (SIndexTerm *)calloc(1, (sizeof(SIndexTerm))); 
+  if (t == NULL) { return NULL; }
+
+  t->suid    = suid;
+  t->operType= oper; 
+  t->colType = colType;
+
+  t->colName  = (char *)calloc(1, nColName + 1);
+  memcpy(t->colName, colName, nColName);
+  t->nColName = nColName;
 
-  t->val = (char *)calloc(nVal + 1, 1);
-  memcpy(t->val, val, nVal);
-  t->nVal = nVal;
+  t->colVal = (char *)calloc(1, nColVal + 1);
+  memcpy(t->colVal, colVal, nColVal);
+  t->nColVal = nColVal;
   return t;
 }
 void indexTermDestroy(SIndexTerm *p) {
-  free(p->key);
-  free(p->val);
+  free(p->colName);
+  free(p->colVal);
   free(p);
 }  
 
-SArray *indexMultiTermCreate() {
+SIndexMultiTerm *indexMultiTermCreate() {
   return taosArrayInit(4, sizeof(SIndexTerm *)); 
 }
 
-int indexMultiTermAdd(SArray *array, const char *field, int32_t nField, const char *val, int32_t nVal) {
-   SIndexTerm *term = indexTermCreate(field,  nField, val, nVal);  
-   if (term == NULL) { return -1; }
-   taosArrayPush(array, &term);
+int indexMultiTermAdd(SIndexMultiTerm *terms, SIndexTerm *term) {
+   taosArrayPush(terms, &term);
    return 0;
 }
-void indexMultiTermDestroy(SArray *array) {
-  for (int32_t i = 0; i < taosArrayGetSize(array); i++) {
-    SIndexTerm *p = taosArrayGetP(array, i);
+void indexMultiTermDestroy(SIndexMultiTerm *terms) {
+  for (int32_t i = 0; i < taosArrayGetSize(terms); i++) {
+    SIndexTerm *p = taosArrayGetP(terms, i);
     indexTermDestroy(p);
   }
-  taosArrayDestroy(array);
+  taosArrayDestroy(terms);
 }
 
 void indexInit() {
diff --git a/source/libs/index/src/index_cache.c b/source/libs/index/src/index_cache.c
index acb8e32157f51bb31efecb92e93fbf83dd99da8f..23f7a088231186d599b4d850512ac8302a89d9ac 100644
--- a/source/libs/index/src/index_cache.c
+++ b/source/libs/index/src/index_cache.c
@@ -16,7 +16,7 @@
 #include "index_cache.h"
 #include "tcompare.h"
 
-#define MAX_INDEX_KEY_LEN 128 // test only, change later
+#define MAX_INDEX_KEY_LEN 256// test only, change later
 
 static char*  getIndexKey(const void *pData) {
   return NULL;  
@@ -96,16 +96,19 @@ IndexCache *indexCacheCreate() {
   
 }
 
-void indexCacheDestroy(IndexCache *cache) {
-  if (cache == NULL) { return; } 
-  tSkipListDestroy(cache->skiplist);
-  free(cache);
+void indexCacheDestroy(void *cache) {
+  IndexCache *pCache = cache; 
+  if (pCache == NULL) { return; } 
+  tSkipListDestroy(pCache->skiplist);
+  free(pCache);
 }
 
-int indexCachePut(IndexCache *cache, int16_t fieldId, int16_t fieldType, const char *fieldValue,  int32_t fvLen, 
+int indexCachePut(void *cache, int16_t fieldId, int16_t fieldType, const char *fieldValue,  int32_t fvLen, 
               uint32_t version, uint64_t uid, int8_t operType) {
   if (cache == NULL) { return -1;} 
 
+  IndexCache *pCache = cache;
+
   // encode data
   int32_t total = sizeof(int32_t) + sizeof(fieldId) + sizeof(fieldType) + sizeof(fvLen) + fvLen  + sizeof(version) + sizeof(uid) + sizeof(operType); 
 
@@ -135,20 +138,15 @@ int indexCachePut(IndexCache *cache, int16_t fieldId, int16_t fieldType, const c
   memcpy(p, &operType, sizeof(operType));
   p += sizeof(operType); 
 
-  tSkipListPut(cache->skiplist, (void *)buf);  
+  tSkipListPut(pCache->skiplist, (void *)buf);  
   // encode end
- 
     
 }
-int indexCacheDel(IndexCache *cache, int32_t fieldId, const char *fieldValue, int32_t fvlen, uint64_t uid, int8_t operType) {
-
+int indexCacheDel(void *cache, int32_t fieldId, const char *fieldValue, int32_t fvlen, uint64_t uid, int8_t operType) {
+  IndexCache *pCache = cache;
+  return 0;
 }
-int indexCacheSearch(IndexCache *cache, SIndexMultiTermQuery *query, SArray *result) {
-  
+int indexCacheSearch(void *cache, SIndexMultiTermQuery *query, SArray *result) {
+   
   return 0;  
 }
-
-
-
-
-