diff --git a/internal/meta/meta.go b/internal/meta/meta.go
index 4ed993a..73ed48d 100644
--- a/internal/meta/meta.go
+++ b/internal/meta/meta.go
@@ -101,4 +101,7 @@ const (
 	CoreSettingsPlugins     = 45
 	CoreRegisterInputCh     = 46
 	CoreInjectInputSync     = 47
+	CorePluginReloadOne     = 48
+	CorePluginListLoaded    = 49
+	CorePluginIsDisabled    = 50
 )
diff --git a/internal/plugin/cabi/loader.go b/internal/plugin/cabi/loader.go
index 3703465..f42b16a 100644
--- a/internal/plugin/cabi/loader.go
+++ b/internal/plugin/cabi/loader.go
@@ -887,6 +887,40 @@ func go_core_dispatch(methodID C.int, ctx unsafe.Pointer, s1, s2, s3 *C.char, i1
 		}
 		s.RegisterInputChannel(a1, chDef)
 		return 0
+
+	case 48: // CORE_PLUGIN_RELOAD_ONE
+		if s.PluginMgr() == nil {
+			setErr(errorOut, fmt.Errorf("plugin manager not available"))
+			return 1
+		}
+		if err := s.PluginMgr().ReloadOne(a1); err != nil {
+			setErr(errorOut, err)
+			return 1
+		}
+		setResult(result, "reloaded: "+a1)
+		return 0
+
+	case 49: // CORE_PLUGIN_LIST_LOADED
+		if s.PluginMgr() == nil {
+			setErr(errorOut, fmt.Errorf("plugin manager not available"))
+			return 1
+		}
+		if b, err := json.Marshal(s.PluginMgr().ListLoadedPlugins()); err == nil {
+			setResult(result, string(b))
+		}
+		return 0
+
+	case 50: // CORE_PLUGIN_IS_DISABLED
+		if s.PluginMgr() == nil {
+			setErr(errorOut, fmt.Errorf("plugin manager not available"))
+			return 1
+		}
+		if s.PluginMgr().IsPluginDisabled(a1) {
+			setResult(result, "1")
+		} else {
+			setResult(result, "0")
+		}
+		return 0
 	}
 	return 0
 }
diff --git a/internal/sdk/plugin.go b/internal/sdk/plugin.go
index 899b313..2a2e7d8 100644
--- a/internal/sdk/plugin.go
+++ b/internal/sdk/plugin.go
@@ -74,6 +74,8 @@ type PluginManager interface {
 	// onRemove 回调（RegisterOnRemoveHandler），最后从注册表移除。目录删除由调用方负责。
 	RemovePlugin(name string) error
 	ReloadPlugins() (string, error)
+	// ReloadOne 重载单个插件（停止后重新加载，处理 dlclose/dynamic 句柄）。
+	ReloadOne(name string) error
 	PluginMetas() map[string]PluginMeta
 	PluginDir() string
 }