diff --git a/configs/advanced/proxy.yaml b/configs/advanced/proxy.yaml
index 16df144927..0d3163c0d1 100644
--- a/configs/advanced/proxy.yaml
+++ b/configs/advanced/proxy.yaml
@@ -28,5 +28,4 @@ proxy:
       bufSize: 512
 
   maxNameLength: 255
-  maxFieldNum: 64
-  maxDimension: 32768
\ No newline at end of file
+  maxFieldNum: 64
\ No newline at end of file
diff --git a/internal/allocator/segment.go b/internal/allocator/segment.go
index 0efcfef522..1e2c565432 100644
--- a/internal/allocator/segment.go
+++ b/internal/allocator/segment.go
@@ -189,10 +189,7 @@ func (sa *SegIDAssigner) syncSegments() {
 	for _, info := range resp.PerChannelAssignment {
 		assign := sa.getAssign(info.CollName, info.PartitionTag, info.ChannelID)
 		if assign == nil {
-			colInfos, ok := sa.assignInfos[info.CollName]
-			if !ok {
-				colInfos = list.New()
-			}
+			colInfos := sa.assignInfos[info.CollName]
 			segInfo := make(map[UniqueID]uint32)
 			segInfo[info.SegID] = info.Count
 			newAssign := &assignInfo{
diff --git a/internal/core/src/query/visitors/ExecExprVisitor.cpp b/internal/core/src/query/visitors/ExecExprVisitor.cpp
index 04bcd51fb3..d1b5c3d963 100644
--- a/internal/core/src/query/visitors/ExecExprVisitor.cpp
+++ b/internal/core/src/query/visitors/ExecExprVisitor.cpp
@@ -192,11 +192,10 @@ ExecExprVisitor::visit(RangeExpr& expr) {
     Assert(expr.data_type_ == field_meta.get_data_type());
     RetType ret;
     switch (expr.data_type_) {
-        // case DataType::BOOL: {
-        //    ret = ExecRangeVisitorDispatcher<bool>(expr);
-        //    break;
-        //}
-        // case DataType::BOOL:
+        case DataType::BOOL: {
+            ret = ExecRangeVisitorDispatcher<bool>(expr);
+            break;
+        }
         case DataType::INT8: {
             ret = ExecRangeVisitorDispatcher<int8_t>(expr);
             break;
diff --git a/internal/core/src/segcore/ConcurrentVector.h b/internal/core/src/segcore/ConcurrentVector.h
index 46062b8950..8373b6ee2f 100644
--- a/internal/core/src/segcore/ConcurrentVector.h
+++ b/internal/core/src/segcore/ConcurrentVector.h
@@ -20,6 +20,7 @@
 #include <vector>
 #include <utility>
 #include "utils/EasyAssert.h"
+#include <boost/container/vector.hpp>
 
 namespace milvus::segcore {
 
@@ -51,7 +52,7 @@ namespace milvus::segcore {
 //};
 
 template <typename Type>
-using FixedVector = std::vector<Type>;
+using FixedVector = boost::container::vector<Type>;
 constexpr int64_t DefaultElementPerChunk = 32 * 1024;
 
 template <typename Type>
diff --git a/internal/proxy/paramtable.go b/internal/proxy/paramtable.go
index ce36f7c628..5b6b029a0e 100644
--- a/internal/proxy/paramtable.go
+++ b/internal/proxy/paramtable.go
@@ -480,18 +480,6 @@ func (pt *ParamTable) MaxFieldNum() int64 {
 	return maxFieldNum
 }
 
-func (pt *ParamTable) MaxDimension() int64 {
-	str, err := pt.Load("proxy.maxDimension")
-	if err != nil {
-		panic(err)
-	}
-	maxDimension, err := strconv.ParseInt(str, 10, 64)
-	if err != nil {
-		panic(err)
-	}
-	return maxDimension
-}
-
 func (pt *ParamTable) defaultPartitionTag() string {
 	tag, err := pt.Load("common.defaultPartitionTag")
 	if err != nil {
diff --git a/internal/proxy/task.go b/internal/proxy/task.go
index b523813d15..65afdbfc84 100644
--- a/internal/proxy/task.go
+++ b/internal/proxy/task.go
@@ -181,33 +181,6 @@ func (cct *CreateCollectionTask) PreExecute() error {
 		if err := ValidateFieldName(field.Name); err != nil {
 			return err
 		}
-		if field.DataType == schemapb.DataType_VECTOR_FLOAT || field.DataType == schemapb.DataType_VECTOR_BINARY {
-			exist := false
-			var dim int64 = 0
-			for _, param := range field.TypeParams {
-				if param.Key == "dim" {
-					exist = true
-					tmp, err := strconv.ParseInt(param.Value, 10, 64)
-					if err != nil {
-						return err
-					}
-					dim = tmp
-					break
-				}
-			}
-			if !exist {
-				return errors.New("dimension is not defined in field type params")
-			}
-			if field.DataType == schemapb.DataType_VECTOR_FLOAT {
-				if err := ValidateDimension(dim, false); err != nil {
-					return err
-				}
-			} else {
-				if err := ValidateDimension(dim, true); err != nil {
-					return err
-				}
-			}
-		}
 	}
 
 	return nil
diff --git a/internal/proxy/validate_util.go b/internal/proxy/validate_util.go
index ec33005491..4f892603f9 100644
--- a/internal/proxy/validate_util.go
+++ b/internal/proxy/validate_util.go
@@ -116,14 +116,3 @@ func ValidateFieldName(fieldName string) error {
 	}
 	return nil
 }
-
-func ValidateDimension(dim int64, isBinary bool) error {
-	if dim <= 0 || dim > Params.MaxDimension() {
-		return errors.New("invalid dimension: " + strconv.FormatInt(dim, 10) + ". should be in range 1 ~ " +
-			strconv.FormatInt(Params.MaxDimension(), 10) + ".")
-	}
-	if isBinary && dim%8 != 0 {
-		return errors.New("invalid dimension: " + strconv.FormatInt(dim, 10) + ". should be multiple of 8.")
-	}
-	return nil
-}
diff --git a/internal/proxy/validate_util_test.go b/internal/proxy/validate_util_test.go
index 3b14d78ff4..336425f9de 100644
--- a/internal/proxy/validate_util_test.go
+++ b/internal/proxy/validate_util_test.go
@@ -82,16 +82,3 @@ func TestValidateFieldName(t *testing.T) {
 		assert.NotNil(t, ValidateFieldName(name))
 	}
 }
-
-func TestValidateDimension(t *testing.T) {
-	Params.Init()
-	assert.Nil(t, ValidateDimension(1, false))
-	assert.Nil(t, ValidateDimension(Params.MaxDimension(), false))
-	assert.Nil(t, ValidateDimension(8, true))
-	assert.Nil(t, ValidateDimension(Params.MaxDimension(), true))
-
-	// invalid dim
-	assert.NotNil(t, ValidateDimension(-1, false))
-	assert.NotNil(t, ValidateDimension(Params.MaxDimension()+1, false))
-	assert.NotNil(t, ValidateDimension(9, true))
-}