diff --git a/src/bin/pg_basebackup/pg_recvlogical.cpp b/src/bin/pg_basebackup/pg_recvlogical.cpp
index dee410794..726efdf8d 100644
--- a/src/bin/pg_basebackup/pg_recvlogical.cpp
+++ b/src/bin/pg_basebackup/pg_recvlogical.cpp
@@ -1221,7 +1221,7 @@ int main(int argc, char** argv)
         rc = snprintf_s(query,
             sizeof(query),
             sizeof(query) - 1,
-            "CREATE_REPLICATION_SLOT \"%s\" LOGICAL \"%s\"",
+            "CREATE_REPLICATION_SLOT %s LOGICAL %s",
             replication_slot,
             plugin);
         securec_check_ss_c(rc, "\0", "\0");
diff --git a/src/gausskernel/storage/replication/walsender.cpp b/src/gausskernel/storage/replication/walsender.cpp
index 7acceed70..f2caff6f4 100755
--- a/src/gausskernel/storage/replication/walsender.cpp
+++ b/src/gausskernel/storage/replication/walsender.cpp
@@ -2035,7 +2035,6 @@ static bool cmdStringLengthCheck(const char* cmd_string)
 {
     const size_t cmd_length_limit = 1024;
     const size_t slotname_limit = 64;
-    const size_t double_quotes_len = 2;
     char comd[cmd_length_limit] = {'\0'};
     char* sub_cmd = NULL;
     char* rm_cmd = NULL;
@@ -2085,7 +2084,7 @@ static bool cmdStringLengthCheck(const char* cmd_string)
         return true;
     }
 
-    if (strlen(slot_name) >= slotname_limit + double_quotes_len) {
+    if (strlen(slot_name) >= slotname_limit) {
         return false;
     }
     return true;