diff --git a/web/client/src/jsonRender/catalog.js b/web/client/src/jsonRender/catalog.js
index 7691e24..ccc8ff0 100644
--- a/web/client/src/jsonRender/catalog.js
+++ b/web/client/src/jsonRender/catalog.js
@@ -242,6 +242,16 @@ const catalog = defineCatalog(schema, {
          }),
          description: "日期选择器，支持 $bindState 双向绑定到 value",
       },
+      DateTimePicker: {
+         props: z.object({
+            value: z.string().nullish(),
+            placeholder: z.string().nullish(),
+            label: z.string().nullish(),
+            format: z.string().nullish(),
+            disabled: z.boolean().nullish(),
+         }),
+         description: "日期时间选择器，支持 $bindState 双向绑定到 value",
+      },
       StructuredEditor: {
          props: z.object({
             value: z.array(z.record(z.unknown())).nullish(),
diff --git a/web/client/src/jsonRender/registry.jsx b/web/client/src/jsonRender/registry.jsx
index 0d70750..f934c36 100644
--- a/web/client/src/jsonRender/registry.jsx
+++ b/web/client/src/jsonRender/registry.jsx
@@ -26,6 +26,7 @@ const SIZE_ALIASES = {
    lg: "large",
    default: "middle",
 };
+const DEFAULT_DATETIME_FORMAT = "YYYY-MM-DD HH:mm:ss";
 const EMPTY_MULTI_VALUE = [];
 
 //[validateStatePath][校验状态路径并阻止原型链字段写入]
@@ -718,6 +719,25 @@ const { registry, handlers, executeAction } = defineRegistry(catalog, {
          return renderFormControl(props.label, control);
       },
 
+      DateTimePicker: ({ props, bindings }) => {
+         const [value, setValue] = useEditableProp(
+            props.value,
+            bindings?.value,
+            undefined
+         );
+         const control = (
+            <antd.DatePicker
+               value={value ? dayjs(value) : undefined}
+               onChange={(_, dateString) => setValue(dateString)}
+               placeholder={props.placeholder}
+               format={props.format || DEFAULT_DATETIME_FORMAT}
+               disabled={props.disabled}
+               showTime
+            />
+         );
+         return renderFormControl(props.label, control);
+      },
+
       StructuredEditor: ({ props, bindings }) => {
          const [value, setValue] = useEditableProp(
             props.value,
diff --git a/web/client/src/jsonRender/render-ui.md b/web/client/src/jsonRender/render-ui.md
index d7fa43c..4980679 100644
--- a/web/client/src/jsonRender/render-ui.md
+++ b/web/client/src/jsonRender/render-ui.md
@@ -103,6 +103,7 @@
 | **RadioGroup** | `value` | `options[{label,value}]`, `optionType` |
 | **NumberInput** | `value` | `min`, `max`, `step`, `precision`, `prefix`, `suffix` |
 | **DatePicker** | `value` | `format`, `picker` (date/week/month/quarter/year) |
+| **DateTimePicker** | `value` | `format`（默认 `YYYY-MM-DD HH:mm:ss`） |
 | **Slider** | `value` | `min`, `max`, `step`, `range` |
 
 #### 4.4 操作类
diff --git a/web/client/src/sections/superAgent/container/index.jsx b/web/client/src/sections/superAgent/container/index.jsx
index 568c4d5..4914ac0 100644
--- a/web/client/src/sections/superAgent/container/index.jsx
+++ b/web/client/src/sections/superAgent/container/index.jsx
@@ -902,6 +902,14 @@ const SuperAgent = () => {
       (taskStatus === "suspended" || runtimeSessionStatus === "suspended");
    const hasPersistedRunningThread =
       hasPersistedActiveThread && !hasSuspendedRuntimeStatus && !isFailedTask;
+   const hasTerminalStreamRunPhase = [
+      "completed",
+      "failed",
+      "cancelled",
+      "canceled",
+      "aborted",
+      "stopped",
+   ].includes(stream.runPhase);
    const isTerminalRuntimeSession = [
       "failed",
       "completed",
@@ -914,6 +922,7 @@ const SuperAgent = () => {
       runtimeTaskType === "artifact_build" ||
       (taskStage === TASK_STAGE.CONTENT && runtimeTaskTotal > 0);
    const isBodyGenerationRuntimeActive =
+      !hasTerminalStreamRunPhase &&
       runtimeBodyTaskShape &&
       [
          "queued",
@@ -990,6 +999,7 @@ const SuperAgent = () => {
       ["running", "awaiting_interrupt", "resuming"].includes(stream.runPhase) &&
       (!isTerminalTask || stream.isLocalRunActive);
    const isStreamRunning =
+      !hasTerminalStreamRunPhase &&
       !isFailedTask &&
       (hasPersistedRunningThread ||
          isBodyGenerationRuntimeActive ||
diff --git a/web/client/src/sections/superAgent/hooks/useSuperAgentStream.js b/web/client/src/sections/superAgent/hooks/useSuperAgentStream.js
index bc2d188..c22eb20 100644
--- a/web/client/src/sections/superAgent/hooks/useSuperAgentStream.js
+++ b/web/client/src/sections/superAgent/hooks/useSuperAgentStream.js
@@ -1172,16 +1172,22 @@ const useSuperAgentStream = ({
       "cancelled",
       "canceled",
    ].includes(runPhase);
+   const isPersistedExecutionActiveForUi =
+      isPersistedExecutionActive && !isTerminalRunPhase;
    const effectiveRunPhase =
       isPersistedSuspended
          ? "idle"
          : shouldResetStaleWaitingPhase
             ? "running"
-         : isPersistedExecutionActive && (runPhase === "idle" || isTerminalRunPhase)
+         : isPersistedExecutionActive && runPhase === "idle"
             ? "running"
             : runPhase;
-   const effectiveIsLocalRunActive = isPersistedSuspended ? false : isLocalRunActive;
-   const effectiveIsBusinessRunning = isPersistedSuspended ? false : isBusinessRunning;
+   const isPersistedThreadActiveForUi =
+      isPersistedThreadActive && !isTerminalRunPhase;
+   const effectiveIsLocalRunActive =
+      isPersistedSuspended || isTerminalRunPhase ? false : isLocalRunActive;
+   const effectiveIsBusinessRunning =
+      isPersistedSuspended || isTerminalRunPhase ? false : isBusinessRunning;
    const visibleInterrupts = useMemo(() => {
        if (!isStreamProjectionReady && !isInterruptProjectionReady) return [];
 
@@ -1230,13 +1236,15 @@ const useSuperAgentStream = ({
       effectiveRunPhase
    );
    const effectiveIsLoading =
-      isPersistedSuspended
-         ? isRespondingInterrupt
-         : stream.isLoading ||
-            isRespondingInterrupt ||
-            isBusinessRunning ||
-            isRunPhaseActive ||
-            isPersistedExecutionActive;
+      isTerminalRunPhase
+         ? false
+         : isPersistedSuspended
+            ? isRespondingInterrupt
+            : stream.isLoading ||
+               isRespondingInterrupt ||
+               isBusinessRunning ||
+               isRunPhaseActive ||
+               isPersistedExecutionActiveForUi;
 
    return {
       messages: streamMessages,
@@ -1250,7 +1258,7 @@ const useSuperAgentStream = ({
       isLoading: effectiveIsLoading,
       isLocalRunActive: effectiveIsLocalRunActive,
       runPhase: effectiveRunPhase,
-      isPersistedThreadActive,
+      isPersistedThreadActive: isPersistedThreadActiveForUi,
        currentInterruptId:
           hydratedState &&
           pendingHydratedInterrupts.length === 0 &&