diff --git a/src/components/composer/ComposerCard.vue b/src/components/composer/ComposerCard.vue
index ad857d0..b756bd1 100644
--- a/src/components/composer/ComposerCard.vue
+++ b/src/components/composer/ComposerCard.vue
@@ -41,6 +41,7 @@
               dense
               class="output-btn q-px-sm q-mr-sm"
               size="sm"
+              v-if="showOutputBtn"
               @click="handleToggleOutput"
             >
               <q-tooltip>
@@ -67,6 +68,7 @@
               dense
               round
               icon="play_arrow"
+              v-if="showRunBtn"
               class="run-btn q-px-sm q-mr-sm"
               size="sm"
               @click="runCommand"
@@ -113,30 +115,40 @@
 </template>
 
 <script>
-import { defineComponent, inject } from "vue";
-import KeyEditor from "components/composer/ui/KeyEditor.vue";
-import UBrowserEditor from "components/composer/ubrowser/UBrowserEditor.vue";
+import { defineComponent, inject, defineAsyncComponent } from "vue";
+import { validateVariableName } from "js/common/variableValidator";
 import VariableInput from "components/composer/ui/VariableInput.vue";
 import MultiParamInput from "components/composer/ui/MultiParamInput.vue";
-import AxiosConfigEditor from "components/composer/http/AxiosConfigEditor.vue";
-import SymmetricCryptoEditor from "components/composer/crypto/SymmetricCryptoEditor.vue";
-import AsymmetricCryptoEditor from "components/composer/crypto/AsymmetricCryptoEditor.vue";
-import FunctionSelector from "components/composer/ui/FunctionSelector.vue";
-import RegexEditor from "components/composer/regex/RegexEditor.vue";
-import { validateVariableName } from "js/common/variableValidator";
 
 export default defineComponent({
   name: "ComposerCard",
   components: {
-    KeyEditor,
-    UBrowserEditor,
     VariableInput,
     MultiParamInput,
-    AxiosConfigEditor,
-    SymmetricCryptoEditor,
-    AsymmetricCryptoEditor,
-    FunctionSelector,
-    RegexEditor,
+    KeyEditor: defineAsyncComponent(() =>
+      import("components/composer/ui/KeyEditor.vue")
+    ),
+    UBrowserEditor: defineAsyncComponent(() =>
+      import("components/composer/ubrowser/UBrowserEditor.vue")
+    ),
+    AxiosConfigEditor: defineAsyncComponent(() =>
+      import("components/composer/http/AxiosConfigEditor.vue")
+    ),
+    SymmetricCryptoEditor: defineAsyncComponent(() =>
+      import("components/composer/crypto/SymmetricCryptoEditor.vue")
+    ),
+    AsymmetricCryptoEditor: defineAsyncComponent(() =>
+      import("components/composer/crypto/AsymmetricCryptoEditor.vue")
+    ),
+    FunctionSelector: defineAsyncComponent(() =>
+      import("components/composer/ui/FunctionSelector.vue")
+    ),
+    RegexEditor: defineAsyncComponent(() =>
+      import("components/composer/regex/RegexEditor.vue")
+    ),
+    ConditionalJudgment: defineAsyncComponent(() =>
+      import("components/composer/control/ConditionalJudgment.vue")
+    ),
   },
   props: {
     command: {
@@ -203,6 +215,12 @@ export default defineComponent({
         this.$emit("update:command", updatedCommand);
       },
     },
+    showRunBtn() {
+      return !this.command.isControlFlow;
+    },
+    showOutputBtn() {
+      return !this.command.isControlFlow;
+    },
   },
   setup() {
     const addVariable = inject("addVariable");
diff --git a/src/components/composer/control/ConditionalJudgment.vue b/src/components/composer/control/ConditionalJudgment.vue
new file mode 100644
index 0000000..8f98486
--- /dev/null
+++ b/src/components/composer/control/ConditionalJudgment.vue
@@ -0,0 +1,235 @@
+<template>
+  <div class="row items-center no-wrap">
+    <!-- 下拉按钮 -->
+    <q-btn-dropdown
+      dense
+      flat
+      class="condition-type-btn"
+      :class="{ 'text-primary': type !== 'end' }"
+    >
+      <q-list>
+        <q-item
+          v-for="option in options"
+          :key="option.value"
+          clickable
+          v-close-popup
+          @click="handleTypeChange(option.value)"
+          :active="type === option.value"
+        >
+          <q-item-section>
+            <q-item-label>{{ option.label }}</q-item-label>
+          </q-item-section>
+        </q-item>
+      </q-list>
+    </q-btn-dropdown>
+
+    <!-- 显示选中的类型文本 -->
+    <div class="condition-type-text q-mx-sm">
+      {{ getTypeLabel }}
+    </div>
+
+    <!-- 条件表达式输入框和按钮 -->
+    <template v-if="type !== 'end'">
+      <template v-if="type === 'else'">
+        <!-- 否则的条件按钮 -->
+        <q-btn
+          v-if="!showElseCondition"
+          dense
+          flat
+          size="sm"
+          class="condition-add-btn"
+          icon="add"
+          @click="showElseCondition = true"
+        >
+          <q-tooltip>添加条件</q-tooltip>
+        </q-btn>
+        <!-- 否则的条件输入框 -->
+        <q-input
+          v-else
+          v-model="condition"
+          dense
+          filled
+          class="col condition-input"
+          placeholder="请输入条件表达式"
+          @update:model-value="handleConditionChange"
+        >
+          <template v-slot:prepend>
+            <q-icon name="code" />
+          </template>
+          <template v-slot:append>
+            <q-btn dense flat round icon="close" @click="clearElseCondition" />
+          </template>
+        </q-input>
+      </template>
+      <!-- 如果的条件输入框 -->
+      <q-input
+        v-else
+        v-model="condition"
+        dense
+        filled
+        class="col condition-input"
+        placeholder="请输入条件表达式"
+        @update:model-value="handleConditionChange"
+      >
+        <template v-slot:prepend>
+          <q-icon name="code" />
+        </template>
+      </q-input>
+    </template>
+    <!-- 结束如果时的占位 -->
+    <div v-else class="col"></div>
+  </div>
+</template>
+
+<script>
+import { defineComponent } from "vue";
+
+export default defineComponent({
+  name: "ConditionalJudgment",
+
+  props: {
+    modelValue: {
+      type: String,
+      default: "",
+    },
+    command: {
+      type: Object,
+      required: true,
+    },
+  },
+
+  emits: ["update:modelValue"],
+
+  data() {
+    return {
+      options: [
+        { label: "如果", value: "if" },
+        { label: "否则", value: "else" },
+        { label: "结束判断", value: "end" },
+      ],
+      type: "if",
+      condition: "",
+      showElseCondition: false,
+    };
+  },
+
+  computed: {
+    getTypeLabel() {
+      switch (this.type) {
+        case "if":
+          return "如果满足：";
+        case "else":
+          return this.showElseCondition ? "否则，满足：" : "否则：";
+        case "end":
+          return "结束条件判断";
+        default:
+          return "";
+      }
+    },
+  },
+
+  created() {
+    // 解析初始值
+    if (this.modelValue) {
+      const match = this.modelValue.match(
+        /^(if|else if|else|end)(?:\((.*)\))?$/
+      );
+      if (match) {
+        if (match[1] === "else if") {
+          this.type = "else";
+          this.condition = match[2] || "";
+          this.showElseCondition = true;
+        } else {
+          this.type = match[1];
+          this.condition = match[2] || "";
+          this.showElseCondition = false;
+        }
+      }
+    }
+  },
+
+  methods: {
+    generateCode() {
+      switch (this.type) {
+        case "if":
+          return `if (${this.condition}) {`;
+        case "else":
+          return this.condition
+            ? `} else if (${this.condition}) {`
+            : "} else {";
+        case "end":
+          return "}";
+        default:
+          return "";
+      }
+    },
+
+    handleTypeChange(value) {
+      this.type = value;
+      if (this.type === "end") {
+        this.condition = "";
+        this.showElseCondition = false;
+      }
+      this.$emit("update:modelValue", this.generateCode());
+    },
+
+    handleConditionChange() {
+      this.$emit("update:modelValue", this.generateCode());
+    },
+
+    clearElseCondition() {
+      this.condition = "";
+      this.showElseCondition = false;
+      this.$emit("update:modelValue", this.generateCode());
+    },
+  },
+});
+</script>
+
+<style scoped>
+.condition-type-btn {
+  min-width: 32px;
+  width: 32px;
+  height: 36px;
+  padding: 0;
+}
+
+.condition-type-btn :deep(.q-btn__content) {
+  padding: 0;
+}
+
+.condition-type-btn :deep(.q-icon) {
+  font-size: 20px;
+}
+
+.condition-type-text {
+  font-size: 14px;
+  color: var(--q-primary);
+  white-space: nowrap;
+}
+
+.condition-add-btn {
+  margin-left: 4px;
+  opacity: 0.7;
+  height: 36px;
+  color: var(--q-primary);
+}
+
+.condition-add-btn:hover {
+  opacity: 1;
+  background: rgba(var(--q-primary-rgb), 0.1);
+}
+
+.condition-input {
+  transition: all 0.3s ease;
+}
+
+.condition-input :deep(.q-field__control) {
+  padding-right: 8px;
+}
+
+/* 暗色模式适配 */
+.body--dark .condition-type-text {
+  color: var(--q-primary);
+}
+</style>
diff --git a/src/components/composer/regex/RegexEditor.vue b/src/components/composer/regex/RegexEditor.vue
index 094990b..e685418 100644
--- a/src/components/composer/regex/RegexEditor.vue
+++ b/src/components/composer/regex/RegexEditor.vue
@@ -76,7 +76,9 @@
     <!-- 正则表达式构建工具 -->
     <transition
       name="builder"
-      @enter="el => el.scrollIntoView({ behavior: 'smooth', block: 'nearest' })"
+      @enter="
+        (el) => el.scrollIntoView({ behavior: 'smooth', block: 'nearest' })
+      "
     >
       <div v-if="showBuilder" class="builder-container">
         <RegexBuilder :selection="selection" @insert="insertPattern" />
diff --git a/src/components/composer/regex/RegexTester.vue b/src/components/composer/regex/RegexTester.vue
index f317135..488c5c7 100644
--- a/src/components/composer/regex/RegexTester.vue
+++ b/src/components/composer/regex/RegexTester.vue
@@ -1,7 +1,7 @@
 <template>
   <transition
     name="tester"
-    @enter="el => el.scrollIntoView({ behavior: 'smooth', block: 'nearest' })"
+    @enter="(el) => el.scrollIntoView({ behavior: 'smooth', block: 'nearest' })"
   >
     <div class="regex-tester" v-if="shouldShowPreview">
       <div class="matches">
diff --git a/src/js/composer/commands/controlCommands.js b/src/js/composer/commands/controlCommands.js
new file mode 100644
index 0000000..dea558a
--- /dev/null
+++ b/src/js/composer/commands/controlCommands.js
@@ -0,0 +1,12 @@
+export const controlCommands = {
+  label: "流程控制",
+  icon: "call_split",
+  commands: [
+    {
+      value: "condition",
+      label: "条件判断",
+      component: "ConditionalJudgment",
+      isControlFlow: true,
+    },
+  ],
+};
diff --git a/src/js/composer/commands/index.js b/src/js/composer/commands/index.js
index a7c29f0..fdb1e10 100644
--- a/src/js/composer/commands/index.js
+++ b/src/js/composer/commands/index.js
@@ -5,6 +5,7 @@ import { notifyCommands } from "./notifyCommands";
 import { textProcessingCommands } from "./textProcessingCommands";
 import { otherCommands } from "./otherCommands";
 import { keyCommands } from "./keyCommands";
+import { controlCommands } from "./controlCommands";
 
 export const commandCategories = [
   fileCommands,
@@ -12,6 +13,7 @@ export const commandCategories = [
   systemCommands,
   notifyCommands,
   textProcessingCommands,
+  controlCommands,
   otherCommands,
   keyCommands,
 ];