diff --git a/src/common/backend/utils/misc/guc/guc_security.cpp b/src/common/backend/utils/misc/guc/guc_security.cpp
index cb51b95c3..23ece64b5 100755
--- a/src/common/backend/utils/misc/guc/guc_security.cpp
+++ b/src/common/backend/utils/misc/guc/guc_security.cpp
@@ -161,8 +161,6 @@ static bool check_ssl(bool* newval, void** extra, GucSource source);
 /* Database Security: Support password complexity */
 static bool check_int_parameter(int* newval, void** extra, GucSource source);
 static bool check_ssl_ciphers(char** newval, void** extra, GucSource source);
-static bool check_password_min_length(int* newval, void** extra, GucSource source);
-static bool check_password_max_length(int* newval, void** extra, GucSource source);
 
 static void InitSecurityConfigureNamesBool();
 static void InitSecurityConfigureNamesInt();
@@ -627,7 +625,7 @@ static void InitSecurityConfigureNamesInt()
             8,
             6,
             MAX_PASSWORD_LENGTH,
-            check_password_min_length,
+            check_int_parameter,
             NULL,
             NULL},
 
@@ -642,7 +640,7 @@ static void InitSecurityConfigureNamesInt()
             32,
             6,
             MAX_PASSWORD_LENGTH,
-            check_password_max_length,
+            check_int_parameter,
             NULL,
             NULL},
 
@@ -1448,19 +1446,3 @@ static bool check_ssl_ciphers(char** newval, void** extra, GucSource)
     pfree_ext(ciphers_list);
     return true;
 }
-
-static bool check_password_min_length(int* newval, void** extra, GucSource source)
-{
-    if (*newval >= 0 && *newval <= u_sess->attr.attr_security.Password_max_length) {
-        return true;
-    }
-    return false;
-}
-
-static bool check_password_max_length(int* newval, void** extra, GucSource source)
-{
-    if (*newval >= 0 && *newval >= u_sess->attr.attr_security.Password_min_length) {
-        return true;
-    }
-    return false;
-}
\ No newline at end of file
diff --git a/src/gausskernel/process/postmaster/postmaster.cpp b/src/gausskernel/process/postmaster/postmaster.cpp
index ded45770e..cbe8e29dd 100644
--- a/src/gausskernel/process/postmaster/postmaster.cpp
+++ b/src/gausskernel/process/postmaster/postmaster.cpp
@@ -66,6 +66,7 @@
  */
 #include "postgres.h"
 #include "knl/knl_variable.h"
+#include "knl/knl_guc/knl_session_attr_security.h"
 #ifdef ENABLE_BBOX
 #include "gs_bbox.h"
 #endif
@@ -3593,6 +3594,16 @@ static void CheckShareStorageConfigConflicts(void)
     }
 }
 
+static void CheckPasswordLenConfigConflics(void)
+{
+    if (u_sess->attr.attr_security.Password_min_length > u_sess->attr.attr_security.Password_max_length) {
+        ereport(ERROR, (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
+                           errmsg("password_min_length (%d) should be no more than password_max_length (%d).",
+                                   u_sess->attr.attr_security.Password_min_length,
+                                   u_sess->attr.attr_security.Password_max_length)));
+    }
+}
+
 /*
  * Check for invalid combinations of GUC settings during starting up.
  */
@@ -3656,6 +3667,7 @@ static void CheckGUCConflicts(void)
     }
     CheckExtremeRtoGUCConflicts();
     CheckShareStorageConfigConflicts();
+    CheckPasswordLenConfigConflics();
 #if ((defined(USE_SSL)) && (defined(USE_TASSL))) 
     CheckSSLConflict();
 #endif