diff --git a/include/libs/index/index.h b/include/libs/index/index.h
index 3d4dbade58..2535ec8a5b 100644
--- a/include/libs/index/index.h
+++ b/include/libs/index/index.h
@@ -53,7 +53,7 @@ int             indexMultiTermQueryAdd(SIndexMultiTermQuery *pQuery, SIndexTerm
  */
 int   indexOpen(SIndexOpts *opt, const char *path, SIndex **index);
 void  indexClose(SIndex *index);
-int   indexPut(SIndex *index,    SIndexMultiTerm *terms, int uid);
+int   indexPut(SIndex *index,    SIndexMultiTerm *terms, uint64_t uid);
 int   indexDelete(SIndex *index, SIndexMultiTermQuery *query); 
 int   indexSearch(SIndex *index, SIndexMultiTermQuery *query, SArray *result);
 int   indexRebuild(SIndex *index, SIndexOpts *opt);
diff --git a/source/libs/index/inc/index_cache.h b/source/libs/index/inc/index_cache.h
index b952e16a8e..f2e6df0bfb 100644
--- a/source/libs/index/inc/index_cache.h
+++ b/source/libs/index/inc/index_cache.h
@@ -16,13 +16,14 @@
 #define __INDEX_CACHE_H__
 
 #include "index.h"
+#include "indexInt.h"
 #include "tlockfree.h"
 #include "tskiplist.h"
 // ----------------- row structure in skiplist ---------------------
 
 /* A data row, the format is like below:
  * content: |<--totalLen-->|<-- fieldid-->|<--field type -->|<-- value len--->|<-- value -->|<--  uid  -->|<--version--->|<-- itermType -->|
- * len    : |<--int32_t -->|<-- int16_t-->|<--  int16_t --->|<--- int32_t --->|<--valuelen->|<--uint64_t->|<-- int32_t-->|<--  int8_t  --->| 
+ * len    : |<--int32_t -->|<-- int16_t-->|<--  int8_t --->|<--- int32_t --->|<--valuelen->|<--uint64_t->|<-- int32_t-->|<--  int8_t  --->| 
  */
 
 #ifdef __cplusplus
@@ -40,11 +41,10 @@ IndexCache *indexCacheCreate();
 
 void indexCacheDestroy(void *cache);
 
-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 indexCachePut(void *cache,  SIndexTerm *term, int16_t colId, int32_t version, uint64_t uid);
 
-int indexCacheGet(void *cache, uint64_t *rst);
-int indexCacheSearch(void *cache, SIndexMultiTermQuery *query, SArray *result);
+//int indexCacheGet(void *cache, uint64_t *rst);
+int indexCacheSearch(void *cache, SIndexTermQuery *query, int16_t colId, int32_t version, SArray *result);
 
 #ifdef __cplusplus
 }
diff --git a/source/libs/index/src/index.c b/source/libs/index/src/index.c
index 1bc12d2b79..e6c655d097 100644
--- a/source/libs/index/src/index.c
+++ b/source/libs/index/src/index.c
@@ -74,7 +74,7 @@ void indexClose(SIndex *sIdx) {
   return;
 }
 
-int indexPut(SIndex *index, SIndexMultiTerm * fVals, int uid) {
+int indexPut(SIndex *index, SIndexMultiTerm * fVals, uint64_t uid) {
   
 #ifdef USE_LUCENE 
     index_document_t *doc = index_document_create(); 
@@ -116,7 +116,7 @@ int indexPut(SIndex *index, SIndexMultiTerm * fVals, int uid) {
     assert(fi !=  NULL); 
     int32_t colId = fi->colId; 
     int32_t version = index->cVersion;
-    int ret = indexCachePut(index->cache, colId, p->colType, p->colVal, p->nColVal, version, uid, p->operType);     
+    int ret = indexCachePut(index->cache, p, colId, version, uid);     
     if (ret != 0) {
       return ret; 
     }
@@ -275,6 +275,7 @@ void indexInit() {
 }
 static int indexTermSearch(SIndex *sIdx, SIndexTermQuery *term, SArray **result) {
   
+  return 0; 
 }
 static void indexInterResultsDestroy(SArray *results) {
   if (results == NULL) { return; }
@@ -288,12 +289,17 @@ static void indexInterResultsDestroy(SArray *results) {
   
 }
 static int indexMergeFinalResults(SArray *interResults, EIndexOperatorType oType, SArray *fResults) {
+  //refactor, merge interResults into fResults by oType
+  SArray *first = taosArrayGetP(interResults, 0);  
+  
+  //taosArraySort(first, getCom)  
   if (oType == MUST) {
-    
-    // tag1 condition && tag2 condition   
+      
   } else if (oType == SHOULD) {
+     
     // tag1 condistion || tag2 condition
   } else if (oType == NOT) {
+    
     // not use currently   
   }
   return 0;
diff --git a/source/libs/index/src/index_cache.c b/source/libs/index/src/index_cache.c
index 23f7a08823..7ce23e6b6e 100644
--- a/source/libs/index/src/index_cache.c
+++ b/source/libs/index/src/index_cache.c
@@ -103,14 +103,13 @@ void indexCacheDestroy(void *cache) {
   free(pCache);
 }
 
-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 indexCachePut(void *cache, SIndexTerm *term, int16_t colId, int32_t version, uint64_t uid) {
   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); 
+  int32_t total = sizeof(int32_t) + sizeof(colId) + sizeof(term->colType) + sizeof(term->nColVal) + term->nColVal + sizeof(version) + sizeof(uid) + sizeof(term->operType); 
 
   char *buf = calloc(1, total); 
   char *p   = buf;
@@ -118,16 +117,16 @@ int indexCachePut(void *cache, int16_t fieldId, int16_t fieldType, const char *f
   memcpy(p, &total, sizeof(total)); 
   p += sizeof(total);
 
-  memcpy(p, &fieldId, sizeof(fieldId));   
-  p += sizeof(fieldId);
+  memcpy(p, &colId, sizeof(colId));   
+  p += sizeof(colId);
 
-  memcpy(p, &fieldType, sizeof(fieldType));
-  p += sizeof(fieldType);
+  memcpy(p, &term->colType, sizeof(term->colType));
+  p += sizeof(term->colType);
   
-  memcpy(p, &fvLen, sizeof(fvLen));
-  p += sizeof(fvLen);
-  memcpy(p, fieldValue, fvLen); 
-  p += fvLen;
+  memcpy(p, &term->nColVal, sizeof(term->nColVal));
+  p += sizeof(term->nColVal);
+  memcpy(p, term->colVal, term->nColVal); 
+  p += term->nColVal;
 
   memcpy(p, &version, sizeof(version));
   p += sizeof(version);
@@ -135,8 +134,8 @@ int indexCachePut(void *cache, int16_t fieldId, int16_t fieldType, const char *f
   memcpy(p, &uid, sizeof(uid));  
   p += sizeof(uid);
 
-  memcpy(p, &operType, sizeof(operType));
-  p += sizeof(operType); 
+  memcpy(p, &term->operType, sizeof(term->operType));
+  p += sizeof(term->operType); 
 
   tSkipListPut(pCache->skiplist, (void *)buf);  
   // encode end
@@ -146,7 +145,7 @@ int indexCacheDel(void *cache, int32_t fieldId, const char *fieldValue, int32_t
   IndexCache *pCache = cache;
   return 0;
 }
-int indexCacheSearch(void *cache, SIndexMultiTermQuery *query, SArray *result) {
-   
-  return 0;  
+int indexCacheSearch(void *cache, SIndexTermQuery *query, int16_t colId, int32_t version, SArray *result) {
+  return 0;
 }
+