diff --git a/src/gausskernel/optimizer/commands/functioncmds.cpp b/src/gausskernel/optimizer/commands/functioncmds.cpp
index d715dcdba..d69de2aa5 100644
--- a/src/gausskernel/optimizer/commands/functioncmds.cpp
+++ b/src/gausskernel/optimizer/commands/functioncmds.cpp
@@ -1080,6 +1080,13 @@ ObjectAddress CreateFunction(CreateFunctionStmt* stmt, const char* queryString,
         if (HeapTupleIsValid(tuple)) {
             Form_gs_package pkgform = (Form_gs_package)GETSTRUCT(tuple);
             namespaceId = pkgform->pkgnamespace;
+            if (schemaname != NULL) {
+                Oid func_namespaceid = get_namespace_oid(schemaname, true);
+                if (namespaceId != func_namespaceid) {
+                    ereport(ERROR, (errcode(ERRCODE_INVALID_SCHEMA_NAME),
+                    errmsg("The namespace of functions or procedures within a package needs to be consistent with the package it belongs.")));
+                }
+            }
         } else {
             ereport(ERROR, (errcode(ERRCODE_UNDEFINED_PACKAGE), errmsg("package not found")));
         }
diff --git a/src/test/regress/expected/hw_package.out b/src/test/regress/expected/hw_package.out
index 9315c63cc..4f8fdf738 100644
--- a/src/test/regress/expected/hw_package.out
+++ b/src/test/regress/expected/hw_package.out
@@ -2745,6 +2745,56 @@ end pck3;
 /
 create user package_user password 'gauss@123';
 alter package pck3 owner to package_user;
+-- test methods schema not consistent with object
+create schema multi_schema_001;
+-- failed
+create or replace package public.multi_shema_package is
+var1 int:=1; --公有变量
+var2 int:=2;
+procedure multi_schema_001.testpro1(var3 int); --公有存储过程，可以被外部调用
+end multi_shema_package;
+/
+ERROR:  The namespace of functions or procedures within a package needs to be consistent with the package it belongs.
+-- failed
+create or replace package multi_schema_001.multi_shema_package is
+var1 int:=1; --公有变量
+var2 int:=2;
+procedure public.testpro1(var3 int); --公有存储过程，可以被外部调用
+end multi_shema_package;
+/
+ERROR:  The namespace of functions or procedures within a package needs to be consistent with the package it belongs.
+-- succeed
+create or replace package multi_schema_001.multi_shema_package is
+var1 int:=1; --公有变量
+var2 int:=2;
+procedure multi_schema_001.testpro1(var3 int); --公有存储过程，可以被外部调用
+end multi_shema_package;
+/
+-- failed
+create or replace package body multi_schema_001.multi_shema_package is
+var3 int:=3;
+var4 int:=4;
+procedure public.testpro1(var3 int)
+is
+begin
+end;
+end multi_shema_package;
+/
+ERROR:  The namespace of functions or procedures within a package needs to be consistent with the package it belongs.
+-- succeed
+create or replace package body multi_schema_001.multi_shema_package is
+var3 int:=3;
+var4 int:=4;
+procedure multi_schema_001.testpro1(var3 int)
+is
+begin
+end;
+end multi_shema_package;
+/
+-- clean
+drop package multi_schema_001.multi_shema_package;
+NOTICE:  drop cascades to function multi_schema_001.testpro1(integer)
+drop schema multi_schema_001;
 drop package pck1;
 NOTICE:  drop cascades to function pkgsch059.f1(integer,test_tb)
 drop package pck2;
diff --git a/src/test/regress/sql/hw_package.sql b/src/test/regress/sql/hw_package.sql
index 34da3c4cf..7dd49bcfe 100644
--- a/src/test/regress/sql/hw_package.sql
+++ b/src/test/regress/sql/hw_package.sql
@@ -2303,6 +2303,53 @@ end pck3;
 create user package_user password 'gauss@123';
 alter package pck3 owner to package_user;
 
+-- test methods schema not consistent with object
+create schema multi_schema_001;
+-- failed
+create or replace package public.multi_shema_package is
+var1 int:=1; --公有变量
+var2 int:=2;
+procedure multi_schema_001.testpro1(var3 int); --公有存储过程，可以被外部调用
+end multi_shema_package;
+/
+-- failed
+create or replace package multi_schema_001.multi_shema_package is
+var1 int:=1; --公有变量
+var2 int:=2;
+procedure public.testpro1(var3 int); --公有存储过程，可以被外部调用
+end multi_shema_package;
+/
+-- succeed
+create or replace package multi_schema_001.multi_shema_package is
+var1 int:=1; --公有变量
+var2 int:=2;
+procedure multi_schema_001.testpro1(var3 int); --公有存储过程，可以被外部调用
+end multi_shema_package;
+/
+-- failed
+create or replace package body multi_schema_001.multi_shema_package is
+var3 int:=3;
+var4 int:=4;
+procedure public.testpro1(var3 int)
+is
+begin
+end;
+end multi_shema_package;
+/
+-- succeed
+create or replace package body multi_schema_001.multi_shema_package is
+var3 int:=3;
+var4 int:=4;
+procedure multi_schema_001.testpro1(var3 int)
+is
+begin
+end;
+end multi_shema_package;
+/
+-- clean
+drop package multi_schema_001.multi_shema_package;
+drop schema multi_schema_001;
+
 drop package pck1;
 drop package pck2;
 drop package pck3;