diff --git a/resources/profiles/BBL/machine/Bambu Lab P1P 0.4 nozzle.json b/resources/profiles/BBL/machine/Bambu Lab P1P 0.4 nozzle.json
index a041f0889..db2835791 100644
--- a/resources/profiles/BBL/machine/Bambu Lab P1P 0.4 nozzle.json	
+++ b/resources/profiles/BBL/machine/Bambu Lab P1P 0.4 nozzle.json	
@@ -21,7 +21,6 @@
         "Bambu PLA Basic @BBL X1"
     ],
     "default_print_profile": "0.20mm Standard @BBL P1P",
-    "extruder_clearance_max_radius": "56",
     "extruder_offset": [
         "0x2"
     ],
@@ -40,4 +39,4 @@
         "Bambu Lab X1 0.4 nozzle",
         "Bambu Lab X1 Carbon 0.4 nozzle"
     ]
-}
\ No newline at end of file
+}
diff --git a/resources/profiles/BBL/machine/Bambu Lab P1S 0.4 nozzle.json b/resources/profiles/BBL/machine/Bambu Lab P1S 0.4 nozzle.json
index 9c59a9992..f6ff88c3a 100644
--- a/resources/profiles/BBL/machine/Bambu Lab P1S 0.4 nozzle.json	
+++ b/resources/profiles/BBL/machine/Bambu Lab P1S 0.4 nozzle.json	
@@ -20,7 +20,6 @@
         "Bambu PLA Basic @BBL X1C"
     ],
     "default_print_profile": "0.20mm Standard @BBL X1C",
-    "extruder_clearance_max_radius": "56",
     "extruder_offset": [
         "0x2"
     ],
diff --git a/src/libslic3r/Print.cpp b/src/libslic3r/Print.cpp
index 8a1026661..3dfaa0a25 100644
--- a/src/libslic3r/Print.cpp
+++ b/src/libslic3r/Print.cpp
@@ -532,7 +532,7 @@ StringObjectException Print::sequential_print_clearance_valid(const Print &print
                 auto tmp = offset(convex_hull_no_offset,
                         // Shrink the extruder_clearance_radius a tiny bit, so that if the object arrangement algorithm placed the objects
                         // exactly by satisfying the extruder_clearance_radius, this test will not trigger collision.
-                        float(scale_(0.5 * print.config().extruder_clearance_max_radius.value - EPSILON)),
+                        float(scale_(0.5 * print.config().extruder_clearance_max_radius.value - 0.01)),
                         jtRound, scale_(0.1));
                 if (!tmp.empty()) { // tmp may be empty due to clipper's bug, see STUDIO-2452
                     convex_hull = tmp.front();
@@ -739,7 +739,7 @@ StringObjectException Print::sequential_print_clearance_valid(const Print &print
         {
             auto inst = print_instance_with_bounding_box[k].print_instance;
             // 只需要考虑喷嘴到滑杆的偏移量，这个比整个工具头的碰撞半径要小得多
-            auto bbox = print_instance_with_bounding_box[k].bounding_box.inflated(-scale_(0.5 * print.config().extruder_clearance_radius.value));
+            auto bbox = print_instance_with_bounding_box[k].bounding_box.inflated(-scale_(0.5 * print.config().extruder_clearance_max_radius.value));
             auto iy1 = bbox.min.y();
             auto iy2 = bbox.max.y();
             (const_cast<ModelInstance*>(inst->model_instance))->arrange_order = k+1;
diff --git a/src/libslic3r/PrintConfig.cpp b/src/libslic3r/PrintConfig.cpp
index 7f27dbc99..94ae7c372 100644
--- a/src/libslic3r/PrintConfig.cpp
+++ b/src/libslic3r/PrintConfig.cpp
@@ -4415,7 +4415,7 @@ double min_object_distance(const ConfigBase &cfg)
     else {
         //BBS: duplicate_distance seam to be useless
         constexpr double duplicate_distance = 6.;
-        auto ecr_opt = cfg.option<ConfigOptionFloat>("extruder_clearance_radius");
+        auto ecr_opt = cfg.option<ConfigOptionFloat>("extruder_clearance_max_radius");
         auto co_opt  = cfg.option<ConfigOptionEnum<PrintSequence>>("print_sequence");
 
         if (!ecr_opt || !co_opt)
@@ -4838,8 +4838,8 @@ std::map<std::string, std::string> validate(const FullPrintConfig &cfg, bool und
     }
 
     // extruder clearance
-    if (cfg.extruder_clearance_radius <= 0) {
-        error_message.emplace("extruder_clearance_radius", L("invalid value ") + std::to_string(cfg.extruder_clearance_radius));
+    if (cfg.extruder_clearance_max_radius <= 0) {
+        error_message.emplace("extruder_clearance_max_radius", L("invalid value ") + std::to_string(cfg.extruder_clearance_max_radius));
     }
     if (cfg.extruder_clearance_height_to_rod <= 0) {
         error_message.emplace("extruder_clearance_height_to_rod", L("invalid value ") + std::to_string(cfg.extruder_clearance_height_to_rod));
diff --git a/src/slic3r/GUI/Tab.cpp b/src/slic3r/GUI/Tab.cpp
index 951a818ce..b5e7d6b2d 100644
--- a/src/slic3r/GUI/Tab.cpp
+++ b/src/slic3r/GUI/Tab.cpp
@@ -3103,7 +3103,7 @@ void TabPrinter::build_fff()
         optgroup->append_single_option_line("machine_unload_filament_time");
 
         optgroup = page->new_optgroup(L("Extruder Clearance"));
-        optgroup->append_single_option_line("extruder_clearance_radius");
+        optgroup->append_single_option_line("extruder_clearance_max_radius");
         optgroup->append_single_option_line("extruder_clearance_height_to_rod");
         optgroup->append_single_option_line("extruder_clearance_height_to_lid");
 
@@ -3685,7 +3685,7 @@ void TabPrinter::toggle_options()
         // Disable silent mode for non-marlin firmwares.
         toggle_option("silent_mode", is_marlin_flavor);
         //BBS: extruder clearance of BBL printer can't be edited.
-        for (auto el : { "extruder_clearance_radius", "extruder_clearance_height_to_rod", "extruder_clearance_height_to_lid" })
+        for (auto el : { "extruder_clearance_max_radius", "extruder_clearance_height_to_rod", "extruder_clearance_height_to_lid" })
             toggle_option(el, !is_BBL_printer);
     }