diff --git a/lib/generator.js b/lib/generator.js
index bfd2f30..22b2227 100644
--- a/lib/generator.js
+++ b/lib/generator.js
@@ -382,12 +382,13 @@ class Visitor {
       return item.text.text;
     });
 
-    var descriptionText = description ? _escape(description.text.text.trimEnd()) : '';
-    var summaryText = summary ? _escape(summary.text.text.trimEnd()) : '';
-    var returnText = _return ? _return.text.text.trimEnd() : '';
     let hasNextSection = false;
+    const summaryText = summary ? _escape(summary.text.text).trimEnd() : '';
+    const descriptionText = description ? _escape(description.text.text).trimEnd() : '';
+    const returnText = _return ? _escape(_return.text.text).trimEnd() : '';
+
     if (deprecated) {
-      let deprecatedText = deprecated.text.text.trimEnd();
+      const deprecatedText = _escape(deprecated.text.text).trimEnd();
       deprecatedText.split('\n').forEach((line, index, array) => {
         if(index === 0) {
           this.emit(`// Deprecated: ${line}\n`, level);
@@ -435,30 +436,57 @@ class Visitor {
       if (hasNextSection) {
         this.emit(`// \n`, level);
       }
-      params.forEach((item, index) => {
-        this.emit(`// @param ${item.name} - ${item.text}`, level);
-        if (index < params.length - 1) {
-          this.emit(`// \n`, level);
-        }
+      params.forEach((item, i) => {
+        this.emit(`// @param ${item.name} - `, level);
+        const items = item.text.trimEnd().split('\n');
+        items.forEach((line, j) => {
+          if (j === 0) {
+            this.emit(`${line}\n`);
+          } else {
+            this.emit(`// ${line}\n`, level);
+          }
+          if (j < items.length - 1 || (j === items.length - 1 && i < params.length -1)) {
+            this.emit(`// \n`, level);
+          }
+        });
       });
       hasNextSection = true;
     }
-    if (returnText !== '') {
+    if (returnText) {
       if (hasNextSection) {
         this.emit(`// \n`, level);
       }
-      this.emit(`// @return ${returnText}\n`, level);
+      this.emit(`// @return `, level);
+      const returns = returnText.split('\n');
+      returns.forEach((line, index) => {
+        if (index === 0) {
+          this.emit(`${line}\n`);
+        } else {
+          this.emit(`// ${line}\n`, level);
+        }
+        if (index < returns.length - 1) {
+          this.emit(`// \n`, level);
+        }
+      });
       hasNextSection = true;
     }
     if (throws.length > 0) {
       if (hasNextSection) {
         this.emit(`// \n`, level);
       }
-      throws.forEach((item, index) => {
-        this.emit(`// @throws ${item}`, level);
-        if (index < throws.length - 1) {
-          this.emit(`// \n`, level);
-        }
+      throws.forEach((item, i) => {
+        this.emit(`// @throws `, level);
+        const items = item.trimEnd().split('\n');
+        items.forEach((line, j) => {
+          if (j === 0) {
+            this.emit(`${line}\n`);
+          } else {
+            this.emit(`// ${line}\n`, level);
+          }
+          if (j < items.length - 1 || (j === items.length - 1 && i < params.length -1)) {
+            this.emit(`// \n`, level);
+          }
+        });
       });
     }
   }
diff --git a/test/fixtures/annotation/client.go b/test/fixtures/annotation/client.go
index 1ad7b89..b9a4e67 100644
--- a/test/fixtures/annotation/client.go
+++ b/test/fixtures/annotation/client.go
@@ -136,6 +136,7 @@ func TestFuncWithAnnotation1 (test *string, _test *string) (_err error) {
 // @return void
 // 
 // @throws InternalError Server error. 500 服务器端出现未知异常。
+// 
 func TestFuncWithAnnotation2 (test *string, _test *string) (_err error) {
   // empty comment1
   // empty comment2
@@ -146,14 +147,19 @@ func TestFuncWithAnnotation2 (test *string, _test *string) (_err error) {
 // 
 // @param test - string param1
 // 
+// param test for line break.
+// 
 // @param _test - string param2
 // 
 // @return void
 // 
+// return test for line break.
+// 
 // @throws InternalError Server error. 500 服务器端出现未知异常。
-func TestFuncWithAnnotation3 (test *string, _test *string) (_err error) {
-  // empty comment1
-  // empty comment2
+// 
+// throws test for line break.
+// 
+func LineBreakAnnotation (test *string, _test *string) (_err error) {
   return _err
 }
 
diff --git a/test/fixtures/annotation/main.dara b/test/fixtures/annotation/main.dara
index dce34bf..9f07b8f 100644
--- a/test/fixtures/annotation/main.dara
+++ b/test/fixtures/annotation/main.dara
@@ -77,11 +77,13 @@ static async function testFuncWithAnnotation2(test: string, _test: string): void
  * deprecated test for line break.
  * 
  * @param test string param1
+ * param test for line break.
  * @param _test string param2
  * @return void
+ * return test for line break.
  * @throws InternalError Server error. 500 服务器端出现未知异常。
+ * throws test for line break.
 */
-static async function testFuncWithAnnotation3(test: string, _test: string): void {
-    // empty comment1
-    // empty comment2
+static async function lineBreakAnnotation(test: string, _test: string): void {
 }
+