diff --git a/resources/definitions/winbo_dragonl4.def.json b/resources/definitions/winbo_dragonl4.def.json
index a12e2adf60..746b9ce2fe 100644
--- a/resources/definitions/winbo_dragonl4.def.json
+++ b/resources/definitions/winbo_dragonl4.def.json
@@ -128,6 +128,6 @@
         "support_interface_enable": { "value": "True" },
         "support_interface_height": { "value": "0.5" },
         "support_roof_pattern": { "value": "'concentric'" },
-        "z_seam_type": { "value": "'shortest'" },
+        "z_seam_type": { "value": "'shortest'" }
     }
 }
diff --git a/resources/definitions/winbo_mini2.def.json b/resources/definitions/winbo_mini2.def.json
index 570e4befbf..903142010b 100644
--- a/resources/definitions/winbo_mini2.def.json
+++ b/resources/definitions/winbo_mini2.def.json
@@ -128,6 +128,6 @@
         "support_interface_enable": { "value": "True" },
         "support_interface_height": { "value": "0.5" },
         "support_roof_pattern": { "value": "'concentric'" },
-        "z_seam_type": { "value": "'shortest'" },
+        "z_seam_type": { "value": "'shortest'" }
     }
 }
diff --git a/resources/definitions/winbo_superhelper105.def.json b/resources/definitions/winbo_superhelper105.def.json
index 7a14d672e8..055967f8ab 100644
--- a/resources/definitions/winbo_superhelper105.def.json
+++ b/resources/definitions/winbo_superhelper105.def.json
@@ -117,6 +117,6 @@
         "support_interface_enable": { "value": "True" },
         "support_interface_height": { "value": "0.5" },
         "support_roof_pattern": { "value": "'concentric'" },
-        "z_seam_type": { "value": "'shortest'" },
+        "z_seam_type": { "value": "'shortest'" }
     }
 }