diff --git a/source/libs/index/src/indexFilter.c b/source/libs/index/src/indexFilter.c
index ec5fc5ad2a..02ed0d2d05 100644
--- a/source/libs/index/src/indexFilter.c
+++ b/source/libs/index/src/indexFilter.c
@@ -221,6 +221,71 @@ static FORCE_INLINE int32_t sifInitJsonParam(SNode *node, SIFParam *param, SIFCt
   param->status = SFLT_COARSE_INDEX;
   return 0;
 }
+static int32_t sifNeedConvertCond(SNode *l, SNode *r) {
+  if (nodeType(l) != QUERY_NODE_COLUMN || nodeType(r) != QUERY_NODE_VALUE) {
+    return 0;
+  }
+  SColumnNode *c = (SColumnNode *)l;
+  SValueNode  *v = (SValueNode *)r;
+  int32_t      ctype = c->node.resType.type;
+  int32_t      vtype = v->node.resType.type;
+  if (!IS_VAR_DATA_TYPE(ctype) && IS_VAR_DATA_TYPE(vtype)) {
+    return 1;
+  }
+  return 0;
+}
+static int32_t sifInitParamValByCol(SNode *r, SNode *l, SIFParam *param, SIFCtx *ctx) {
+  param->status = SFLT_COARSE_INDEX;
+  SColumnNode *cn = (SColumnNode *)r;
+  SValueNode  *vn = (SValueNode *)l;
+  if (vn->typeData == TSDB_DATA_TYPE_NULL && (vn->literal == NULL || strlen(vn->literal) == 0)) {
+    param->status = SFLT_NOT_INDEX;
+    return 0;
+  }
+  SDataType *pType = &cn->node.resType;
+  int32_t    type = pType->type;
+
+  SDataType *pVType = &vn->node.resType;
+  int32_t    vtype = pVType->type;
+  char      *pData = nodesGetValueFromNode(vn);
+  int32_t    valLen = 0;
+  char     **value = &param->condValue;
+
+  if (IS_VAR_DATA_TYPE(type)) {
+    int32_t dataLen = varDataTLen(pData);
+    if (type == TSDB_DATA_TYPE_JSON) {
+      if (*pData == TSDB_DATA_TYPE_NULL) {
+        dataLen = 0;
+      } else if (*pData == TSDB_DATA_TYPE_NCHAR) {
+        dataLen = varDataTLen(pData);
+      } else if (*pData == TSDB_DATA_TYPE_DOUBLE) {
+        dataLen = LONG_BYTES;
+      } else if (*pData == TSDB_DATA_TYPE_BOOL) {
+        dataLen = CHAR_BYTES;
+      }
+      dataLen += CHAR_BYTES;
+    }
+    valLen = dataLen;
+  } else {
+    valLen = pType->bytes;
+  }
+  char *tv = taosMemoryCalloc(1, valLen + 1);
+  if (tv == NULL) {
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+
+  memcpy(tv, pData, valLen);
+  *value = tv;
+
+  param->colId = -1;
+  param->colValType = (uint8_t)(vn->node.resType.type);
+  if (vn->literal != NULL && strlen(vn->literal) <= sizeof(param->colName)) {
+    memcpy(param->colName, vn->literal, strlen(vn->literal));
+  } else {
+    param->status = SFLT_NOT_INDEX;
+  }
+  return 0;
+}
 static int32_t sifInitParam(SNode *node, SIFParam *param, SIFCtx *ctx) {
   param->status = SFLT_COARSE_INDEX;
   switch (nodeType(node)) {
@@ -317,8 +382,13 @@ static int32_t sifInitOperParams(SIFParam **params, SOperatorNode *node, SIFCtx
     return TSDB_CODE_SUCCESS;
   } else {
     SIF_ERR_JRET(sifInitParam(node->pLeft, &paramList[0], ctx));
+
     if (nParam > 1) {
+      // if (sifNeedConvertCond(node->pLeft, node->pRight)) {
+      // SIF_ERR_JRET(sifInitParamValByCol(node->pLeft, node->pRight, &paramList[1], ctx));
+      // } else {
       SIF_ERR_JRET(sifInitParam(node->pRight, &paramList[1], ctx));
+      // }
       // if (paramList[0].colValType == TSDB_DATA_TYPE_JSON &&
       //    ((SOperatorNode *)(node))->opType == OP_TYPE_JSON_CONTAINS) {
       //  return TSDB_CODE_OUT_OF_MEMORY;
@@ -404,60 +474,149 @@ static FORCE_INLINE FilterFunc sifGetFilterFunc(EIndexQueryType type, bool *reve
   }
   return NULL;
 }
+int32_t sifStr2Num(char *buf, int32_t len, int8_t type, void *val) {
+  // signed/unsigned/float
+  if (IS_SIGNED_NUMERIC_TYPE(type)) {
+    int64_t v = 0;
+    if (0 != toInteger(buf, len, 10, &v)) {
+      return -1;
+    }
+    if (type == TSDB_DATA_TYPE_BIGINT) {
+      *(int64_t *)val = v;
+    } else if (type == TSDB_DATA_TYPE_INT) {
+      *(int32_t *)val = v;
+    } else if (type == TSDB_DATA_TYPE_TINYINT) {
+      *(int8_t *)val = v;
+    } else if (type == TSDB_DATA_TYPE_SMALLINT) {
+      *(int16_t *)val = v;
+    }
+  } else if (IS_FLOAT_TYPE(type)) {
+    if (type == TSDB_DATA_TYPE_FLOAT) {
+      *(float *)val = taosStr2Float(buf, NULL);
+    } else {
+      *(double *)val = taosStr2Double(buf, NULL);
+    }
+  } else if (IS_UNSIGNED_NUMERIC_TYPE(type)) {
+    uint64_t v = 0;
+    if (0 != toUInteger(buf, len, 10, &v)) {
+      return -1;
+    }
+    if (type == TSDB_DATA_TYPE_UBIGINT) {
+      *(uint64_t *)val = v;
+    } else if (type == TSDB_DATA_TYPE_UINT) {
+      *(uint32_t *)val = v;
+    } else if (type == TSDB_DATA_TYPE_UTINYINT) {
+      *(uint8_t *)val = v;
+    } else if (type == TSDB_DATA_TYPE_USMALLINT) {
+      *(uint16_t *)val = v;
+    }
+  } else {
+    return -1;
+  }
+  return 0;
+}
 
-static void sifSetFltParam(SIFParam *left, SIFParam *right, SDataTypeBuf *typedata, SMetaFltParam *param) {
-  int8_t ltype = left->colValType, rtype = right->colValType;
+static int32_t sifSetFltParam(SIFParam *left, SIFParam *right, SDataTypeBuf *typedata, SMetaFltParam *param) {
+  int32_t code = 0;
+  int8_t  ltype = left->colValType, rtype = right->colValType;
+  if (!IS_NUMERIC_TYPE(ltype) || !((IS_NUMERIC_TYPE(rtype)) || rtype == TSDB_DATA_TYPE_VARCHAR)) {
+    return -1;
+  }
   if (ltype == TSDB_DATA_TYPE_FLOAT) {
     float f = 0;
-    SIF_DATA_CONVERT(rtype, right->condValue, f);
+    if (IS_NUMERIC_TYPE(rtype)) {
+      SIF_DATA_CONVERT(rtype, right->condValue, f);
+    } else {
+      SIF_ERR_RET(sifStr2Num(varDataVal(right->condValue), varDataLen(right->condValue), TSDB_DATA_TYPE_FLOAT, &f));
+    }
     typedata->f = f;
     param->val = &typedata->f;
   } else if (ltype == TSDB_DATA_TYPE_DOUBLE) {
     double d = 0;
-    SIF_DATA_CONVERT(rtype, right->condValue, d);
+    if (IS_NUMERIC_TYPE(rtype)) {
+      SIF_DATA_CONVERT(rtype, right->condValue, d);
+    } else {
+      SIF_ERR_RET(sifStr2Num(varDataVal(right->condValue), varDataLen(right->condValue), TSDB_DATA_TYPE_DOUBLE, &d));
+    }
     typedata->d = d;
     param->val = &typedata->d;
   } else if (ltype == TSDB_DATA_TYPE_BIGINT) {
     int64_t i64 = 0;
-    SIF_DATA_CONVERT(rtype, right->condValue, i64);
+    if (IS_NUMERIC_TYPE(rtype)) {
+      SIF_DATA_CONVERT(rtype, right->condValue, i64);
+    } else {
+      SIF_ERR_RET(sifStr2Num(varDataVal(right->condValue), varDataLen(right->condValue), TSDB_DATA_TYPE_BIGINT, &i64));
+    }
     typedata->i64 = i64;
     param->val = &typedata->i64;
   } else if (ltype == TSDB_DATA_TYPE_INT) {
     int32_t i32 = 0;
-    SIF_DATA_CONVERT(rtype, right->condValue, i32);
+    if (IS_NUMERIC_TYPE(rtype)) {
+      SIF_DATA_CONVERT(rtype, right->condValue, i32);
+    } else {
+      SIF_ERR_RET(sifStr2Num(varDataVal(right->condValue), varDataLen(right->condValue), TSDB_DATA_TYPE_INT, &i32));
+    }
     typedata->i32 = i32;
     param->val = &typedata->i32;
   } else if (ltype == TSDB_DATA_TYPE_SMALLINT) {
     int16_t i16 = 0;
-    SIF_DATA_CONVERT(rtype, right->condValue, i16);
+    if (IS_NUMERIC_TYPE(rtype)) {
+      SIF_DATA_CONVERT(rtype, right->condValue, i16);
+    } else {
+      SIF_ERR_RET(
+          sifStr2Num(varDataVal(right->condValue), varDataLen(right->condValue), TSDB_DATA_TYPE_SMALLINT, &i16));
+    }
+
     typedata->i16 = i16;
     param->val = &typedata->i16;
   } else if (ltype == TSDB_DATA_TYPE_TINYINT) {
     int8_t i8 = 0;
-    SIF_DATA_CONVERT(rtype, right->condValue, i8)
+    if (IS_NUMERIC_TYPE(rtype)) {
+      SIF_DATA_CONVERT(rtype, right->condValue, i8);
+    } else {
+      SIF_ERR_RET(sifStr2Num(varDataVal(right->condValue), varDataLen(right->condValue), TSDB_DATA_TYPE_TINYINT, &i8));
+    }
     typedata->i8 = i8;
     param->val = &typedata->i8;
   } else if (ltype == TSDB_DATA_TYPE_UBIGINT) {
     uint64_t u64 = 0;
-    SIF_DATA_CONVERT(rtype, right->condValue, u64);
+    if (IS_NUMERIC_TYPE(rtype)) {
+      SIF_DATA_CONVERT(rtype, right->condValue, u64);
+    } else {
+      SIF_ERR_RET(sifStr2Num(varDataVal(right->condValue), varDataLen(right->condValue), TSDB_DATA_TYPE_UBIGINT, &u64));
+    }
     typedata->u64 = u64;
     param->val = &typedata->u64;
   } else if (ltype == TSDB_DATA_TYPE_UINT) {
     uint32_t u32 = 0;
-    SIF_DATA_CONVERT(rtype, right->condValue, u32);
+    if (IS_NUMERIC_TYPE(rtype)) {
+      SIF_DATA_CONVERT(rtype, right->condValue, u32);
+    } else {
+      SIF_ERR_RET(sifStr2Num(varDataVal(right->condValue), varDataLen(right->condValue), TSDB_DATA_TYPE_UINT, &u32));
+    }
     typedata->u32 = u32;
     param->val = &typedata->u32;
   } else if (ltype == TSDB_DATA_TYPE_USMALLINT) {
     uint16_t u16 = 0;
-    SIF_DATA_CONVERT(rtype, right->condValue, u16);
+    if (IS_NUMERIC_TYPE(rtype)) {
+      SIF_DATA_CONVERT(rtype, right->condValue, u16);
+    } else {
+      SIF_ERR_RET(
+          sifStr2Num(varDataVal(right->condValue), varDataLen(right->condValue), TSDB_DATA_TYPE_USMALLINT, &u16));
+    }
     typedata->u16 = u16;
     param->val = &typedata->u16;
   } else if (ltype == TSDB_DATA_TYPE_UTINYINT) {
     uint8_t u8 = 0;
-    SIF_DATA_CONVERT(rtype, right->condValue, u8);
+    if (IS_NUMERIC_TYPE(rtype)) {
+      SIF_DATA_CONVERT(rtype, right->condValue, u8);
+    } else {
+      SIF_ERR_RET(sifStr2Num(varDataVal(right->condValue), varDataLen(right->condValue), TSDB_DATA_TYPE_UTINYINT, &u8));
+    }
     typedata->u8 = u8;
     param->val = &typedata->u8;
   }
+  return 0;
 }
 static int32_t sifDoIndex(SIFParam *left, SIFParam *right, int8_t operType, SIFParam *output) {
   int             ret = 0;
@@ -498,7 +657,7 @@ static int32_t sifDoIndex(SIFParam *left, SIFParam *right, int8_t operType, SIFP
         param.val = buf;
       }
     } else {
-      sifSetFltParam(left, right, &typedata, &param);
+      if (sifSetFltParam(left, right, &typedata, &param) != 0) return -1;
     }
     ret = metaFilterTableIds(arg->metaEx, &param, output->result);
   }
diff --git a/tests/script/tsim/tag/bigint.sim b/tests/script/tsim/tag/bigint.sim
index 26a5addf6a..34fcc09411 100644
--- a/tests/script/tsim/tag/bigint.sim
+++ b/tests/script/tsim/tag/bigint.sim
@@ -123,6 +123,17 @@ sql select * from $mt where tgcol = 1
 if $rows != 100 then
   return -1
 endi
+
+sql select * from $mt where tgcol = '1'
+if $rows != 100 then
+  return -1
+endi
+
+sql select * from $mt where tgcol = "1"
+if $rows != 100 then
+  return -1
+endi
+
 sql select * from $mt where tgcol <> 1
 if $rows != 100 then
   return -1
diff --git a/tests/script/tsim/tag/double.sim b/tests/script/tsim/tag/double.sim
index fbdf973337..acc026c13d 100644
--- a/tests/script/tsim/tag/double.sim
+++ b/tests/script/tsim/tag/double.sim
@@ -123,6 +123,15 @@ sql select * from $mt where tgcol = 1
 if $rows != 100 then
   return -1
 endi
+
+sql select * from $mt where tgcol = '1';
+if $rows != 100 then
+  return -1
+endi
+sql select * from $mt where tgcol = "1.0"
+if $rows != 100 then
+  return -1
+endi
 sql select * from $mt where tgcol <> 1
 if $rows != 100 then
   return -1
diff --git a/tests/script/tsim/tag/float.sim b/tests/script/tsim/tag/float.sim
index 10fac93d5d..f62feba057 100644
--- a/tests/script/tsim/tag/float.sim
+++ b/tests/script/tsim/tag/float.sim
@@ -123,6 +123,16 @@ sql select * from $mt where tgcol = 1
 if $rows != 100 then
   return -1
 endi
+
+sql select * from $mt where tgcol = "1.0"
+if $rows != 100 then
+  return -1
+endi
+
+sql select * from $mt where tgcol = "1"
+if $rows != 100 then
+  return -1
+endi
 sql select * from $mt where tgcol <> 1
 if $rows != 100 then
   return -1
diff --git a/tests/script/tsim/tag/int.sim b/tests/script/tsim/tag/int.sim
index ac8d31db3b..084b7e74d7 100644
--- a/tests/script/tsim/tag/int.sim
+++ b/tests/script/tsim/tag/int.sim
@@ -123,6 +123,16 @@ sql select * from $mt where tgcol = 1
 if $rows != 100 then
   return -1
 endi
+
+sql select * from $mt where tgcol = '1'
+if $rows != 100 then
+  return -1
+endi
+
+sql select * from $mt where tgcol = "1";
+if $rows != 100 then
+  return -1
+endi
 sql select * from $mt where tgcol <> 1
 if $rows != 100 then
   return -1
diff --git a/tests/script/tsim/tag/int_float.sim b/tests/script/tsim/tag/int_float.sim
index 009629aac9..3034f8b64e 100644
--- a/tests/script/tsim/tag/int_float.sim
+++ b/tests/script/tsim/tag/int_float.sim
@@ -85,10 +85,22 @@ sql select * from $mt where tgcol <> 1
 if $rows != 100 then
   return -1
 endi
+
 sql select * from $mt where tgcol = 1
 if $rows != 100 then
   return -1
 endi
+
+sql select * from $mt where tgcol = '1'
+if $rows != 100 then
+  return -1
+endi
+
+sql select * from $mt where tgcol = "1"
+if $rows != 100 then
+  return -1
+endi
+
 sql select * from $mt where tgcol <> 1
 if $rows != 100 then
   return -1
diff --git a/tests/script/tsim/tag/tinyint.sim b/tests/script/tsim/tag/tinyint.sim
index 8560def34c..89b0134bb3 100644
--- a/tests/script/tsim/tag/tinyint.sim
+++ b/tests/script/tsim/tag/tinyint.sim
@@ -115,14 +115,36 @@ sql select * from $mt where tgcol = 0
 if $rows != 100 then
   return -1
 endi
+
+sql select * from $mt where tgcol = '0'
+if $rows != 100 then
+  return -1
+endi
+
+sql select * from $mt where tgcol = "0"
+if $rows != 100 then
+  return -1
+endi
 sql select * from $mt where tgcol <> 0
 if $rows != 100 then
   return -1
 endi
+
 sql select * from $mt where tgcol = 1
 if $rows != 100 then
   return -1
 endi
+sql select * from $mt where tgcol = "1"
+if $rows != 100 then
+  return -1
+endi
+
+sql select * from $mt where tgcol = '1'
+if $rows != 100 then
+  return -1
+endi
+
+
 sql select * from $mt where tgcol <> 1
 if $rows != 100 then
   return -1