diff --git a/src/plugins/http/src/httpContext.c b/src/plugins/http/src/httpContext.c
index 106ba9a772aaaaf4918b7915dd79c2114d7ca877..ec60b984b2b0fcc72367295cef9d956165e678d5 100644
--- a/src/plugins/http/src/httpContext.c
+++ b/src/plugins/http/src/httpContext.c
@@ -118,7 +118,8 @@ HttpContext *httpCreateContext(int32_t fd) {
   pContext->parser = httpCreateParser(pContext);
 
   TSDB_CACHE_PTR_TYPE handleVal = (TSDB_CACHE_PTR_TYPE)pContext;
-  HttpContext **ppContext = taosCachePut(tsHttpServer.contextCache, &handleVal, TSDB_CACHE_PTR_LEN, &pContext, TSDB_CACHE_PTR_LEN, 3000);
+  HttpContext **ppContext = taosCachePut(tsHttpServer.contextCache, &handleVal, sizeof(TSDB_CACHE_PTR_TYPE), &pContext,
+                                         sizeof(TSDB_CACHE_PTR_TYPE), 3000);
   pContext->ppContext = ppContext;
   httpDebug("context:%p, fd:%d, is created, data:%p", pContext, fd, ppContext);
 
@@ -130,7 +131,7 @@ HttpContext *httpCreateContext(int32_t fd) {
 
 HttpContext *httpGetContext(void *ptr) {
   TSDB_CACHE_PTR_TYPE handleVal = (TSDB_CACHE_PTR_TYPE)ptr;
-  HttpContext **ppContext = taosCacheAcquireByKey(tsHttpServer.contextCache, &handleVal, TSDB_CACHE_PTR_LEN);
+  HttpContext **ppContext = taosCacheAcquireByKey(tsHttpServer.contextCache, &handleVal, sizeof(TSDB_CACHE_PTR_TYPE));
 
   if (ppContext) {
     HttpContext *pContext = *ppContext;
diff --git a/src/util/inc/tcache.h b/src/util/inc/tcache.h
index 6ef02b63d704ec60171351bad62e402aba5e1909..efd51f90ce8739050971856dd4f2dbdd1c44d5a4 100644
--- a/src/util/inc/tcache.h
+++ b/src/util/inc/tcache.h
@@ -27,11 +27,9 @@ extern "C" {
 #if defined(_TD_ARM_32) 
   #define TSDB_CACHE_PTR_KEY  TSDB_DATA_TYPE_INT
   #define TSDB_CACHE_PTR_TYPE int32_t
-  #define TSDB_CACHE_PTR_LEN  sizeof(int32_t)
 #else
   #define TSDB_CACHE_PTR_KEY  TSDB_DATA_TYPE_BIGINT  
   #define TSDB_CACHE_PTR_TYPE int64_t
-  #define TSDB_CACHE_PTR_LEN  sizeof(int64_t)
 #endif
 
 typedef void (*__cache_free_fn_t)(void*);