diff --git a/src/plugins/http/src/httpContext.c b/src/plugins/http/src/httpContext.c
index fb8ab48498fa48e38df5cbc1fda342ef8fcde130..106ba9a772aaaaf4918b7915dd79c2114d7ca877 100644
--- a/src/plugins/http/src/httpContext.c
+++ b/src/plugins/http/src/httpContext.c
@@ -67,7 +67,7 @@ static void httpDestroyContext(void *data) {
 }
 
 bool httpInitContexts() {
-  tsHttpServer.contextCache = taosCacheInit(TSDB_DATA_TYPE_BIGINT, 2, true, httpDestroyContext, "restc");
+  tsHttpServer.contextCache = taosCacheInit(TSDB_CACHE_PTR_KEY, 2, true, httpDestroyContext, "restc");
   if (tsHttpServer.contextCache == NULL) {
     httpError("failed to init context cache");
     return false;
@@ -117,8 +117,8 @@ HttpContext *httpCreateContext(int32_t fd) {
   pContext->state = HTTP_CONTEXT_STATE_READY;
   pContext->parser = httpCreateParser(pContext);
 
-  uint64_t handleVal = (uint64_t)pContext;
-  HttpContext **ppContext = taosCachePut(tsHttpServer.contextCache, &handleVal, sizeof(int64_t), &pContext, sizeof(int64_t), 3000);
+  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);
   pContext->ppContext = ppContext;
   httpDebug("context:%p, fd:%d, is created, data:%p", pContext, fd, ppContext);
 
@@ -129,8 +129,8 @@ HttpContext *httpCreateContext(int32_t fd) {
 }
 
 HttpContext *httpGetContext(void *ptr) {
-  uint64_t handleVal = (uint64_t)ptr;
-  HttpContext **ppContext = taosCacheAcquireByKey(tsHttpServer.contextCache, &handleVal, sizeof(uint64_t));
+  TSDB_CACHE_PTR_TYPE handleVal = (TSDB_CACHE_PTR_TYPE)ptr;
+  HttpContext **ppContext = taosCacheAcquireByKey(tsHttpServer.contextCache, &handleVal, TSDB_CACHE_PTR_LEN);
 
   if (ppContext) {
     HttpContext *pContext = *ppContext;
diff --git a/src/util/inc/tcache.h b/src/util/inc/tcache.h
index af5f30c7c3858ee37af253589cdd5e4323ad1d69..6ef02b63d704ec60171351bad62e402aba5e1909 100644
--- a/src/util/inc/tcache.h
+++ b/src/util/inc/tcache.h
@@ -24,6 +24,16 @@ extern "C" {
 #include "tlockfree.h"
 #include "hash.h"
 
+#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*);
 
 typedef struct SCacheStatis {