diff --git a/source/libs/function/src/builtins.c b/source/libs/function/src/builtins.c
index 0057df7902..aad08fc337 100644
--- a/source/libs/function/src/builtins.c
+++ b/source/libs/function/src/builtins.c
@@ -1786,7 +1786,7 @@ static int32_t translateDiff(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
   }
 
   uint8_t colType = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 0))->resType.type;
-  if (!IS_SIGNED_NUMERIC_TYPE(colType) && !IS_FLOAT_TYPE(colType) && TSDB_DATA_TYPE_BOOL != colType &&
+  if (!IS_INTEGER_TYPE(colType) && !IS_FLOAT_TYPE(colType) && TSDB_DATA_TYPE_BOOL != colType &&
       !IS_TIMESTAMP_TYPE(colType)) {
     return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
   }
@@ -1815,6 +1815,8 @@ static int32_t translateDiff(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
   uint8_t resType;
   if (IS_SIGNED_NUMERIC_TYPE(colType) || IS_TIMESTAMP_TYPE(colType) || TSDB_DATA_TYPE_BOOL == colType) {
     resType = TSDB_DATA_TYPE_BIGINT;
+  } else if (IS_UNSIGNED_NUMERIC_TYPE(colType)) {
+    resType = TSDB_DATA_TYPE_UBIGINT;
   } else {
     resType = TSDB_DATA_TYPE_DOUBLE;
   }
diff --git a/source/libs/function/src/builtinsimpl.c b/source/libs/function/src/builtinsimpl.c
index bcbb3af950..108a641c08 100644
--- a/source/libs/function/src/builtinsimpl.c
+++ b/source/libs/function/src/builtinsimpl.c
@@ -2714,16 +2714,20 @@ static int32_t doSetPrevVal(SDiffInfo* pDiffInfo, int32_t type, const char* pv,
     case TSDB_DATA_TYPE_BOOL:
       pDiffInfo->prev.i64 = *(bool*)pv ? 1 : 0;
       break;
+    case TSDB_DATA_TYPE_UTINYINT:
     case TSDB_DATA_TYPE_TINYINT:
       pDiffInfo->prev.i64 = *(int8_t*)pv;
       break;
+    case TSDB_DATA_TYPE_UINT:
     case TSDB_DATA_TYPE_INT:
       pDiffInfo->prev.i64 = *(int32_t*)pv;
       break;
+    case TSDB_DATA_TYPE_USMALLINT:
     case TSDB_DATA_TYPE_SMALLINT:
       pDiffInfo->prev.i64 = *(int16_t*)pv;
       break;
     case TSDB_DATA_TYPE_TIMESTAMP:
+    case TSDB_DATA_TYPE_UBIGINT:
     case TSDB_DATA_TYPE_BIGINT:
       pDiffInfo->prev.i64 = *(int64_t*)pv;
       break;
@@ -2745,6 +2749,7 @@ static int32_t doHandleDiff(SDiffInfo* pDiffInfo, int32_t type, const char* pv,
                             int64_t ts) {
   pDiffInfo->prevTs = ts;
   switch (type) {
+    case TSDB_DATA_TYPE_UINT:
     case TSDB_DATA_TYPE_INT: {
       int32_t v = *(int32_t*)pv;
       int64_t delta = v - pDiffInfo->prev.i64;  // direct previous may be null
@@ -2758,6 +2763,7 @@ static int32_t doHandleDiff(SDiffInfo* pDiffInfo, int32_t type, const char* pv,
       break;
     }
     case TSDB_DATA_TYPE_BOOL:
+    case TSDB_DATA_TYPE_UTINYINT:
     case TSDB_DATA_TYPE_TINYINT: {
       int8_t  v = *(int8_t*)pv;
       int64_t delta = v - pDiffInfo->prev.i64;  // direct previous may be null
@@ -2769,6 +2775,7 @@ static int32_t doHandleDiff(SDiffInfo* pDiffInfo, int32_t type, const char* pv,
       pDiffInfo->prev.i64 = v;
       break;
     }
+    case TSDB_DATA_TYPE_USMALLINT:
     case TSDB_DATA_TYPE_SMALLINT: {
       int16_t v = *(int16_t*)pv;
       int64_t delta = v - pDiffInfo->prev.i64;  // direct previous may be null
@@ -2781,6 +2788,7 @@ static int32_t doHandleDiff(SDiffInfo* pDiffInfo, int32_t type, const char* pv,
       break;
     }
     case TSDB_DATA_TYPE_TIMESTAMP:
+    case TSDB_DATA_TYPE_UBIGINT:
     case TSDB_DATA_TYPE_BIGINT: {
       int64_t v = *(int64_t*)pv;
       int64_t delta = v - pDiffInfo->prev.i64;  // direct previous may be null
diff --git a/tests/system-test/2-query/diff.py b/tests/system-test/2-query/diff.py
index c6f233eefa..0a2f750f93 100644
--- a/tests/system-test/2-query/diff.py
+++ b/tests/system-test/2-query/diff.py
@@ -16,6 +16,9 @@ class TDTestCase:
         self.perfix = 'dev'
         self.tables = 10
 
+    def check_result(self):
+        for i in range(self.rowNum):
+            tdSql.checkData(i, 0, 1);
 
     def run(self):
         tdSql.prepare()
@@ -179,11 +182,6 @@ class TDTestCase:
         tdSql.error(f"select diff(col8) from {dbname}.stb_1")
         tdSql.error(f"select diff(col9) from {dbname}.stb")
         tdSql.error(f"select diff(col9) from {dbname}.stb_1")
-        tdSql.error(f"select diff(col11) from  {dbname}.stb_1")
-        tdSql.error(f"select diff(col12) from  {dbname}.stb_1")
-        tdSql.error(f"select diff(col13) from  {dbname}.stb_1")
-        tdSql.error(f"select diff(col14) from  {dbname}.stb_1")
-        tdSql.error(f"select diff(col14) from  {dbname}.stb_1")
         tdSql.error(f"select diff(col1,col1,col1) from  {dbname}.stb_1")
         tdSql.error(f"select diff(col1,1,col1) from  {dbname}.stb_1")
         tdSql.error(f"select diff(col1,col1,col) from  {dbname}.stb_1")
@@ -217,6 +215,22 @@ class TDTestCase:
         tdSql.query(f"select diff(col6) from  {dbname}.stb_1")
         tdSql.checkRows(10)
 
+        tdSql.query(f"select diff(col11) from  {dbname}.stb_1")
+        tdSql.checkRows(10)
+        self.check_result()
+
+        tdSql.query(f"select diff(col12) from  {dbname}.stb_1")
+        tdSql.checkRows(10)
+        self.check_result()
+
+        tdSql.query(f"select diff(col13) from  {dbname}.stb_1")
+        tdSql.checkRows(10)
+        self.check_result()
+
+        tdSql.query(f"select diff(col14) from  {dbname}.stb_1")
+        tdSql.checkRows(10)
+        self.check_result()
+
         tdSql.execute(f'''create table  {dbname}.stb1(ts timestamp, col1 tinyint, col2 smallint, col3 int, col4 bigint, col5 float, col6 double,
                     col7 bool, col8 binary(20), col9 nchar(20), col11 tinyint unsigned, col12 smallint unsigned, col13 int unsigned, col14 bigint unsigned) tags(loc nchar(20))''')
         tdSql.execute(f"create table  {dbname}.stb1_1 using  {dbname}.stb tags('shanghai')")